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Cold-rolled Products
Wide Heavy Plates
Hot Strips
Wire and Rod
Ultra Thin Cast strip
Achievements of Process Research and Development

Tinplate

Specification：Thickness: 0.18~0.55mm Width: 700~1250mm

Standard：JIS G3303，GBT 2520-2017，YZL501-2020

Application：Tin-plates are widely used for the packaging of food, beverage and industrial goods.

Property Indexes

MR-T-2.5CA: HR30T : 55±3；

MR-T-3CA: HR30T : 57±3；

MR-T-3CA-D: HR30T : 57±3；

MR-T-3.5CA: HR30T : 59±3；

MR-T-4CA: HR30T : 61±3；

MR-T-4CA-N:HR30T : 61±3；

MR-T-4CA-Y:HR30T : 61±3；

MR-T-4.5CA: HR30T : 63±3；

MR-T-5CA: HR30T : 65±3；

MR-T-4CA-Y: HR30T : 61±3；

MR-T-4.5CA-A: HR30T : 63±3；

MR-T-5CA-A: HR30T : 65±3；

MR-T-5CA-Z：HR30T为65±3；

MR-T-5CA-Y：HR30T为65±3；

MR-T-5CA-P：HR30T为65±3；

MR-T-4CA-P: HR30T : 61±3；

MR-T-4.5CA-P: HR30T : 63±3；

MR-T-4CA-B: HR30T : 61±3；

MR-T-4.5CA-B: HR30T : 63±3；

MR-T-5CA-B: HR30T : 65±3；

Cold rolled carbon structural automotive steel

Specification：Thickness: 0.6~1.8mm，Width: 750~1300mm

Standard：Q320582 YZL303-2020

Application：Car body,Slide rail
Property Indexes

Q235B-L: R_p0.2: ≥235MPa，R_m: ≥375MPa，A₈₀≥28%

HC380LA: R_p0.2: 240-380MPa，R_m: ≥390MPa，A₈₀≥29%

S245G: R_p0.2: 235MPa，R_m: ≥375MPa，A₈₀≥30%

Cold rolled low carbon steel

Specification：Thickness: 0.25~2mm Width: 750~1300mm

Standard：GB/T 5213-2019

Application：Building, household electric appliances, steel drum, flux cored wire

Property Indexes

DC01: R_p0.2≤300MPa，R_m≥270 Mpa，A₈₀≥30%

DC03: R_p0.2≤260MPa，R_m≥270 MPa，A₈₀≥35%

r₉₀≥1.3

SGYT:R_p0.2≤260MPa，R_m≥270 MPa，A₈₀≥38%

HS1:R_p0.2 160~240MPa，R_m≥270 MPa，A₈₀≥39%

DCK: R_p0.2180~300MPa，R_m300~390MPa ，A₅₀≥33%

Non-oriented silicon steel

Specification：Thickness: 0.20~0.50mm

Standard：Q/320582 YZL601-2022

Application：Small motors, household electric appliances, small transformers and new energy vehicles

Property Indexes

SG50WH600：P_15/50≤3.6W/Kg， B₅₀≥1.71T

SG50WH470：P_15/50≤3.1W/Kg， B₅₀≥1.70T

SG50W1300：P_15/50≤6.0W/Kg， B₅₀≥1.74T

SG50W1000：P_15/50≤5.4W/Kg， B₅₀≥1.72T

SG50W800：P_15/50≤5.0W/Kg， B₅₀≥1.72T

SG50W700：P_15/50≤4.6W/Kg， B₅₀≥1.71T

SG50W600：P_15/50≤4.2W/Kg， B₅₀≥1.69T

SG50W470：P_15/50≤3.6W/Kg， B₅₀≥1.67T

SG50W400：P_15/50≤3.0W/Kg， B₅₀≥1.68T

SG50W350：P_15/50≤2.8W/Kg， B₅₀≥1.68T

SG35W550：P_15/50≤3.6W/Kg， B₅₀≥1.67T

SG35W440：P_15/50≤3.1W/Kg， B₅₀≥1.69T

SG35W360：P_15/50≤2.8W/Kg， B₅₀≥1.68T

SG35W300：P_15/50≤2.7W/Kg， B₅₀≥1.66T

SG35WV2000：P_10/400≤19.8W/Kg， B₅₀≥1.65T

SG35WV1900：P_10/400≤18.8W/Kg， B₅₀≥1.65T

SG35WV1700：P_10/400≤17.0W/Kg， B₅₀≥1.63T

SG30WV1800：P_10/400≤18.0W/Kg， B₅₀≥1.62T

SG30WV1500：P_10/400≤15.0W/Kg， B₅₀≥1.62T

SG30WHV1500：P_10/400≤15.0W/Kg， B₅₀≥1.65T

SG27WV1400：P_10/400≤14.0W/Kg， B₅₀≥1.63T

SG27WHV1400：P_10/400≤14.0W/Kg， B₅₀≥1.65T

SG25WV1300：P_10/400≤13.0W/Kg， B₅₀≥1.62T

SG25WHV1300：P_10/400≤13.0W/Kg， B₅₀≥1.65T

SG20WV1300：P_10/400≤13.0W/Kg， B₅₀≥1.62T

SG20WV1200：P_10/400≤12.0W/Kg， B₅₀≥1.60T

Chromium free passivated、Chromium-free fingerprint-resistant hot galvanized plate for appliance (DX51D+Z、DX52D+Z、DX53D+Z)

Specification：Thickness: 0.29~1.4mm, Width: 910~1250mm

Standard：GB/T 2518-2008

Application：Electric Appliance
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 2518-2008 and the customers for DX51D+Z、DX52D+Z and DX53D+Z.

Cold rolled high strength low alloy automotive steel

Specification：Thickness: 0.6~1.8mm; Width: 750~1300mm

Standard：EN 10268-2006

Application：Car body
Property Indexes

HC340LA：R_p0.2: 340-420MPa，R_m: 410-510MPa，A₈₀≥21%；

HC380LA：R_p0.2: 380-480MPa，R_m: 440-560MPa，A₈₀≥19%。

Hot-rolled cold forming steel S315MC~S700MC

Specification：Thickness: 2.0~10.0mm

Standard：BS EN 10149-2:1996

Application：For the Bracket of pump truck, crane arm, container plate, chassis, automobile structure.
Property Indexes

Satisfying all mechanical properties and surface quality requirements of BS EN10149-2:1996 and the customers for the hot rolled steel for hot-rolled cold forming steel.

High strength cold forming Automobile Structure P.O. Strip SG-QSTE 340、SG-QSTE 380、SG-QSTE 420、SG-QSTE 460、SG-QSTE 500

Specification：Thickness: 1.8~6.0mm Width: 750~1550mm

Standard：SEW 092

Application：For automobile components such as automotive components and wheels which require formability processing performance
Property Indexes

The mechanical properties meet the normal hot rolled strip . Besides that, there are no pincher, residual iron oxide, hard spot, roll marks and some other surface defects.

Automobile Structure P.O. Strip SG-SAPH370、SG-SAPH400、SG-SAPH440

Specification：Thickness: 1.8~6.0mm Width: 750~1550mm

Standard：JIS G3113 ，JIS G3134，SEW092，BS-EN 10149-2

Application：For automobile components such as automotive components and wheels which require formability processing performance
Property Indexes

The mechanical properties meet the normal hot rolled strip . Besides that, there are no pincher, residual iron oxide, hard spot, roll marks and some other surface defects.

Cold rolled steel for vitreous enamelling DC01EK, DC03EK and DC05EK

Specification：Thickness: 0.30~3.0mm,Width≥600mm

Standard：GB/T 13790-2008

Application：Enamel steel for daily use or industrial use
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T13790-2008 and the customers for the DC01EK, DC03EK and DC05EK

Hot galvanized plate for appliance DX51D+Z、DX52D+Z、DX53D+Z

Specification：Thickness: 0.29~1.4mm,Width: 910~1250mm

Standard：GB/T 2518-2008

Application：Electric Appliance
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 2518-2008 and the customers for DX51D+Z、DX52D+Z and DX53D+Z.

Cold rolled low, ultra-low carbon steel for car body DC01、DC03、 DC04

Specification：Thickness: 0.6~1.8mm,Width: 750~1300mm

Standard：DIN EN 10130-2007

Application：Car body
Property Indexes

DC01: Rp0.2≤280MPa，Rm≥270 MPa，A80≥28%

DC03: Rp0.2≤240MPa，Rm≥270 MPa，A80≥34%，r90≥1.3

DC04: Rp0.2≤210MPa，Rm≥270 MPa，A80≥38%，r90≥1.6

Cold rolled low carbon steel DC01、DC03、 SGYT、HS1

Specification：Thickness: 0.25~2mm Width: 750~1300mm

Standard：GB/T 5213-2008,Shagang enterprise standard

Application：Building, household electric appliances, steel drum,flux cored wire

Property Indexes

DC01: R_p0.2≤300MPa,R_m≥270 MPa,A₈₀≥30%

DC03: R_p0.2≤260MPa,R_m≥270 MPa,A₈₀≥35%,r₉₀≥1.3

SGYT: R_p0.2≤260MPa,R_m≥270 MPa,A₈₀≥38%

HS1: R_p0.2 160~240MPa,R_m≥270 MPa,A₈₀≥39%

Hot Galvanized Plate For Building

Specification：Thickness: 0.29~1.4mm Width: 910~1250mm

Standard：GB/T 2518-2008； ASTM A653-05

Application：Building
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 2518-2008 and the customers for DX51D+Z and DX52D+Z.for S220GD+Z、S250GD+Z、 S280GD+Z、 S320GD+ Z. Satisfying all mechanical properties and surface quality requirements of ASTM A653-05 and the customers for CS Type A、CS Type B、Grade 40.

Cold Forming P.O. Strip SG-SPHC、SG-SPHD、SG-SPHE

Specification：Thickness: 1.8~6.0mm Width: 750~1550mm

Standard：JIS G3131

Application：For the manufacture of cold forming parts
Property Indexes

The mechanical properties meet the normal hot rolled strip . Besides that, there are no pincher, residual iron oxide, hard spot, roll marks and some other surface defects.

SG-SAPH440 Automobile Structure P.O. Strip SG-SAPH440

Specification：Thickness: 1.8~6.0mm Width: 750~1550mm

Standard：JIS G3113 ；JIS G3134

Application：For automobile components such as automotive components and wheels which require formability processing performance
Property Indexes

The mechanical properties meet the normal hot rolled strip . Besides that, there are no pincher, residual iron oxide, hard spot, roll marks and some other surface defects.

Construction High Strength P.O. Strip SG-SAE1026、SG-SAE1035、 SG-SAE1050

Specification：Thickness: 1.8~6.0mm Width: 750~1550mm

Standard：SAE J403

Application：For high strength building
Property Indexes

The mechanical properties meet the normal hot rolled strip . Besides that, there are no pincher, residual iron oxide, hard spot, roll marks and some other surface defects.

Steel with low susceptibility to welding crack 07MnMoVR、07MnNiVDR、07MnNiMoDR、780CFE、950CF

Specification：<60mm

Standard：GB/T 19189

Application：To be used for large low temperature spherical vessels and pressure pipes foe large hydraulic power statio、turbine shell and magnetic yoke.
Property Indexes

Ceq≤0.21/0.21/0.21/0.25/0.27，yield strength ³490/490/490/690/890MPa， tensile strength ³610 /610 /610/780/950MPa elongation rate ³ 17%/, -20℃/-40℃/-50℃/-40℃/-60℃ impact energy ³80J .

High Strength Wear Resistant Steel NM400、NM450、NM500、NM550 and NM600

Specification：<50mm

Standard：GB/T24186

Application：Wear resistant parts of engineering machines for coal mine, construction and agriculture
Property Indexes

HBW³370/430/470/530/570, tensile strength ³1200/1250/1450MPa, elongation rate ³ 10/7/6%, -20℃ impact energy ³ 24J

Super High Strength Structural QT Steel Q890 and Q960

Specification：<40mm

Standard：GB/T16270 GB/T 34560.4

Application：Hoisting equipment, pump machines, hydraulic support of coal machines
Property Indexes

Yield strength ³ 890/960MPa, tensile strength ³ 940/980MPa, elongation rate ³ 11/10%, -20℃/-40℃ impact energy ³ 50J

High Strength Structural QT Steel Q460、Q550和Q690

Specification：<100mm

Standard：GB/T16270 GB/T1591

Application：hydraulic support of coal machines, parts of engineering machines
Property Indexes

Yield strength ³ 460/550/690MPa, tensile strength ³ 550/640/770MPa, elongation rate ³ 17/16/14%, 0℃/-20℃/-40℃ impact energy ³ 50J

High strength steel for building structures

Specification：6-80mm

Standard：GB/T 19879-2015 GB/T 5313 YB 4104-2000

Application：Large buildings, super high-rise buildings, large span stadiums, airports, exhibition centers, steel structure plants and other large construction projects
Property Indexes

Q460GJCZ15/25/35: Yield strength 460~600MPa, tensile strength 570~720MPa, yield ratio ≤0.83, elongation rate ³ 18%, 0℃ impact energy ³ 34J, Z-direction section shrinkage ³15/25/35%.

Clad plate of bridge steel 316L +Q345qD/E、316L+Q370qD/E、316L+Q420qD/E、316L+Q500qD/E

Specification：3+16mm/3+20mm/3+24mm/3+32mm/

Standard：GB/T 8165-2008GB/T 6396-2008GB/T 4334-2008

Application：bridge
Property Indexes

Yield strength ³345MPa, tensile strength ³490MPa, shearing strength ³ 300MPa,elongation rate ³ 20%，-20℃/-40℃ impact energy ³ 120J, E intergranular corrosion no crack, cold bending 180°d=2a

Bridge Steel Q370qD/E、Q420qD/E、Q500qD/E

Specification：thickness<100mm

Standard：GB/T 714-2015、TBT3556-2020

Application：Railway or highway bridge
Property Indexes

Yield strength ³ 370/420/500MPa, tensile strength ³510/540/630MPa, elongation rate ³ 20%, -20/-40℃ impact energy ³ 120J, yield ratio ≤0.85, Ceq≤0.40, Pcm≤0.20

Pipeline steel for offshore service X60MO~X70MO

Specification：thickness<35mm

Standard：API Spec 5L、GB/T 9711、ISO 3183-2007

Application：Welded steel pipe used for offshore service for long distance transportation of oil and natural gas
Property Indexes

X60MO/X70MO: Yield strength ≥415MPa/485MPa, tensile strength ≥520MPa/570MPa, yield ratio ≤0.90, elongation rate ³ 22%, -20℃ impact energy ³ 250J, -10℃ average shear fracture area of drop weight tear test ³85%.

Pipeline steel for sour service L245MS~L450MS/X52MS~X65MS

Specification：thickness<30mm

Standard：API Spec 5L、GB/T 9711、ISO 3183-2007

Application：Welded steel pipe used for sour service for long distance transportation of oil and natural gas
Property Indexes

X60MS/X65MS: Yield strength 415~565MPa/450~600MPa, tensile strength 520~760MPa/535~760MPa, yield ratio ≤0.90, elongation rate ³ 22%, -20℃ impact energy ³ 250J, -10℃ average shear fracture area of drop weight tear test ³85%, CLR≤10%, CSR≤1.5%, CTR≤1.5%.

Pipeline steel L245M~L555M/ BM~X80M

Specification：thickness<52mm

Standard：API Spec 5L、GB/T 9711、ISO 3183-2007

Application：Welded steel pipe used for long distance transportation of oil and natural gas
Property Indexes

L485/X70: Yield strength 485~635MPa, tensile strength 575~760MPa, yield ratio ≤0.90, elongation rate ³ 22%, -20℃ impact energy ³ 200J, -10℃/-20℃ average shear fracture area of drop weight tear test ³85%.

L555/X80: Yield strength 555~705MPa, tensile strength 625~825MPa, yield ratio ≤0.90, elongation rate ³ 21%, -20℃ impact energy ³ 180J, --10℃/-20℃ average shear fracture area of drop weight tear test ³85%.

Anti High Heat Input Welded Shipbuilding Plates A/D/EH36/40-W150/W300/W700

Specification：thickness<80mm

Standard：Standards of all classification societies

Application：Ship and marine fields
Property Indexes

Possessing the mechanical properties of common plates EH36/40 and excellent welding property, capable of increasing the welding property of common plate from 50kJ/cm to 700kJ/cm, so as to fit for high heat input welding, e.g. multislectrocde emerged arc welding, electro-gas enclosed welding, etc. And save shipbuilding costs; 80mm thick plates can be welded though by single pass and can ensure HAZ impact property. These plates represent the national advanced level, the first products to pass shipyard inspection in China and fill the national gap.

Marine engineering steel

Specification：thickness:<100mm

Standard：EN 10225-1, API SPECIFICATION 2H/2W/2Y

Application：Ship and marine fields
Property Indexes

Yield strength of 355/420/460MP, yield ratio≤0.90, -40/-60℃ charpy impact absorption energy>200 J, -10℃ CTOD≥0.38mm.

AR, TMCP and QT delivery states are used.

C-Mn low-temp toughness steel for LPG and LNH3 ships

Specification：≤60mm

Standard：Standards of all classification societies

Application：Cargo tanks and fuel tanks of various liquefied gas transport ships
Property Indexes

Yield strength of 320MPa and 360MPa levels (≤440 MPa), yield ratio＜0.90, -75℃ charpy impact absorption energy>200 J.

Brittle Crack Arrest Steels for Ultra-large Container Ships

Specification：thickness<100mm

Standard：Standards of all classification societies

Application：Ultra large container ship
Property Indexes

EH40BCA/CAS: yield strength ³ 390MPa, tensile strength 510-660MPa, elongation ³ 22%, Charpy impact energy at -40°C ³ 300 J, K_ca(-10°C) ³ 6000 N/mm^3/2 & 8000 N/mm^3/2;

EH47BCA/CAS: yield strength ³ 460MPa, tensile strength 590-720MPa, elongation ³ 22%, at -40°C ³ 300 J. K_ca(-10°C) ³ 6000 N/mm^3/2 & 8000 N/mm^3/2;

EH40BCA/CAS and EH47BCA/CAS steels have been certificated by Classification Societies.

Super High Strength Shipbuilding Plates A460-F690

Specification：thickness<100mm

Standard：Standards of all classification societies

Application：Ship and marine fields
Property Indexes

The yield strength is at the level of 460-690MPa, with a minimum requirement of -60℃ impact performance. TMCP and QT delivery states are used.

High strength , toughness and HIC resistance pipeline steel for high pressure gas transmission pipeline(L450~L555/X65~X80 /X65MS)

Specification：≤35mm

Standard：API Spec 5L、GB/T 9711、ISO 3183-2007

Application：Large diameter welded steel pipe used for long distance transportation of oil and natural gas
Property Indexes

L485/X70: Yield strength 485~635MPa, tensile strength 575~760MPa, yield ratio ≤0.9, elongation rate ³ 22%, -20℃ impact energy ³ 180J, -15℃ average shear fracture area of drop weight tear test ³85%.

L555/X80: Yield strength 555~705MPa, tensile strength 625~825MPa, yield ratio ≤0.9, elongation rate ³ 21%, -20℃ impact energy ³ 200J, -15℃ 1verage shear fracture area of drop weight tear test ³85%.

X65MS：CLR≤10%； CSR≤1.5% ； CTR≤1.5%

Steel plates for steel penstock in hydropower station(Q345S~Q690S)

Specification：≤100mm

Standard：GB/T 31946

Application：steel penstock in hydropower station
Property Indexes

Q345S：Yield strength≥345MPa，tensile strength 490~630MPa，elongation rate≥20%，-40℃impact energy≥47J；

Q490S：Yield strength≥490MPa，tensile strength 610~750MPa，elongation rate≥17%，-40℃impact energy≥47J；

Q560S：Yield strength≥560MPa，tensile strength 690~850MPa，elongation rate≥16%，-40℃impact energy≥47J；

Q690S：Yield strength≥690MPa，tensile strength 780~950MPa，elongation rate≥15%，-40℃impact energy≥47J.

Clad plate of bridge steel 316L+Q345qE/S31603+Q370qE

Specification：3+16mm/3+20mm/3+24mm/

Standard：GB/T 6396-2008，GB/T 4334-2008，GB/T 8165-2008

Application：Bridge
Property Indexes

Yield strength ³370MPa, tensile strength ³510MPa, shearing strength ³ 300MPa,elongation rate ³ 20%，-40℃ impact energy ³ 120J,E intergranular corrosion no crack, cold bending 180°d=2a

Bridge Steel(Q370qD/E/Q420qD/E/Q500qD/E)

Specification：≤80mm

Standard：GB/T 714-2015，TB10002.2-2005

Application：Railway or highway bridge
Property Indexes

Yield strength ³ 370MPa, tensile strength ³510MPa, elongation rate ³ 21%, -20/-40℃ impact energy ³ 100J, yield ratio ≤0.85, Ceq≤0.40, Pcm≤0.20。

Weather Resistant Bridge Steel (Q345/420/500qENH)

Specification：≤60mm

Standard：GB/T 714-2015

Application：Railway or highway bridge
Property Indexes

Yield strength up to ≥490/540/630MPa, tensile strength 650MPa, elongation rate ≥20%, -40℃ Charpy impact absorption energy > 120J。

Steel for large oil storage tanks(12MnNiVR)

Specification：≤42mm

Standard：GB/T 19189

Application：To be used for large oil storage tanks
Property Indexes

Ceq≤0.25, yield strength ³490MPa, tensile strength ³610MPa, elongation rate ³ 17%, -20℃ impact energy ³80J , with excellent welding property.

Steel with low susceptibility to welding crack(07MnMoVR、07MnNiVDR、07MnNiMoDR)

Specification：≤60mm

Standard：GB/T 19189

Application：To be used for large low temperature spherical vessels and pressure pipes for large hydraulic power station.
Property Indexes

Ceq≤0.21, yield strength ³490MPa, tensile strength ³610MPa, elongation rate ³ 17%, -20℃/-40℃/50 ℃ impact energy ³80J .

Storage LNG Deep-cold Environment Steel NV9Ni/NV 5Ni

Specification：Thickness: ≤40mm

Standard：Standards of all classification societies (ABS, DNV, NK, KR, CCS, GL, BV , LR and RINA)

Application：Large LNG and LEG storage tanks
Property Indexes

5Ni: yield strength up to 500MPa, tensile strength 600MPa, elongation rate 29%, -125℃ Charpy impact absorption energy>200 J.

9Ni:yield strength up to 670MPa, tensile strength 750MPa, elongation rate 26%, -196℃ Charpy impact absorption energy>140 J.

Super High Strength Shipbuilding Plates F460-F690

Specification：Thickness: ≤60mm

Standard：Standards of all classification societies (ABS, DNV, NK, KR, CCS, GL, BV , LR and RINA)

Application：Ship and marine fields
Property Indexes

TMCP type shipbuilding plates, capable to replace QT steel plates, which can reduce alloy cost, save QT process and greatly decreases production costs.

DH36(Z25)

Specification：20-80mm

Standard：GB/T 712、CCS 2014、GB/T 5313

Application：Structure of wind power tower
Property Indexes

Yield strength ≥355MPa, tensile strength 490~630MPa, elongation rate ≥21%, -20℃ impact energy ≥34J, Z-direction section shrinkage ≥25%, and the quality of ultrasonic inspection reaches the Ⅰlevel standard.

High strength steel for building structures Q460GJCZ15/25/35

Specification：6~80mm

Standard：GB/T 19879、GB/T 5313、YB 4104

Application：Large buildings, super high-rise buildings, large span stadiums, airports, exhibition centers, steel structure plants and other large construction projects
Property Indexes

Q460GJCZ15/25/35: Yield strength 460~600MPa, tensile strength 550~720MPa, yield ratio ≤0.85, elongation rate ³ 17%, 0℃ impact energy ³ 34J, Z-direction section shrinkage ³15/25/35%.

High strength and toughness pipeline steel for high pressure gas transmission pipeline L450~L555/X65~X80 grade

Specification：≤35mm

Standard：API Spec 5L、GB/T 9711、ISO 3183

Application：Large diameter welded steel pipe used for long distance transportation of oil and natural gas
Property Indexes

L485/X70: Yield strength 485~635MPa, tensile strength 575~760MPa, yield ratio ≤0.9, elongation rate ≥22%, -20℃ impact energy ≥180J, -15℃ average shear fracture area of drop weight tear test≥85%.

L555/X80: Yield strength 555~705MPa, tensile strength 625~825MPa, yield ratio ≤0.9, elongation rate ≥21%, -20℃ impact energy ≥200J, -15℃ 1verage shear fracture area of drop weight tear test≥85%.

C-Mn low-temp toughness steel for LPG ships

Specification：thickness:≤40mm

Standard：Standards of all classification societies

Application：Cargo tanks, storage tanks and process pressure vessels for liquefied gases
Property Indexes

Yield ratio ＜0.90,-75℃ charpy impact absorption energy>200 J.

Crack arrest Steel EH40CAS/EH47CAS

Specification：thickness:≤85mm

Standard：tandards of all classification societies

Application：Ultra large container ship
Property Indexes

EH40CAS: yield strength up to 390MPa, tensile strength 510 to 660MPa, elongation rate 22%, -40℃ Charpy impact absorption energy>200 J.Crack arrest toughness at -10℃ up to 7100 N/mm^3/2.

EH47CAS: yield strength up to 460MPa, tensile strength 590 to 720MPa, elongation rate 22%, -40℃ Charpy impact absorption energy>200 J.Crack arrest toughness at -10℃ up to 6900 N/mm^3/2.

EH40CAS and EH47CAS steel plates represent the national advanced level, has approved by many classification societies.

Cr-Mo boiler steels

Specification：thickness:≤100mm

Standard：GB/T 713-2014,ASTM A387

Application：To be used for hydrogenation reactor, heat exchanger, coke tower and so on.
Property Indexes

Yield strength ³310MPa, tensile strength 520-680 MPa, elongation rate ³ 19%, -20℃/-30℃ impact energy ³54J, with excellent high temperature performance and tempering stability. The maximum thickness of 14Cr1MoR can reach 120mm, -18℃ impact energy ³54J.

High Strength Structural QT Steel Q460、Q550 Add Q690

Specification：≤100mm

Standard：GB/T16270

Application：Hydraulic support of coal machines, parts of engineering machines
Property Indexes

Yield strength ³ 460/550/690MPa, tensile strength ³ 550/640/770MPa, elongation rate ³ 17/16/14%, -20℃/-40℃ impact energy ³ 50J

High Strength Wear Resistant NM400 And NM500

Specification：≤40mm

Standard：GB/T24186

Application：Wear resistant parts of engineering machines for coal mine, construction and agriculture
Property Indexes

HBW³370/470, tensile strength ³1200/1450MPa, elongation rate ³ 10/6%, -20℃ impact energy ³ 24J

Steel For Plastic Die Set P20、718、S35GH

Specification：≤155mm

Standard：GB/T24594

Application：Standard mould bases, custom-made mould bases, high precision interchangeable plates, mould components
Property Indexes

HRC is 28~36、30~36 and 27~36

Anti-seismic Fire Resistant Steel For Construction Structure, SM400-FR, SM490-FR And SM570-FR

Specification：12~60mm

Standard：JIS G 3106；JIS G 3114；GB/T19879；GB/T 1591；EN10025

Application：Large public construction structures, e.g. malls, stadiums, exhibition museums, theaters and parking lots.
Property Indexes

Elongation rate ≥19%, tensile strength ≥400/490/570 MPa, -5℃ impact energy ≥47J; yield strength at 600℃ for an hour ≥2/3 of yield strength at room temperature; anti-seismic, yield ratio ≤0.83; with excellent welding property, no need for pre-heat and post-welding heat treatment, suitable to all welding methods of welding heat input ≤60kJ/cm

Anti High Heat Input Welded Shipbuilding Plates A/D/EH36/40

Specification：12~60mm

Standard：Standards of all classification societies (ABS, DNV, NK, KR, CCS, GL, BV and RL)

Application：Ship and marine fields
Property Indexes

Possessing the mechanical properties of common plates EH36/40 and excellent welding property, capable of increasing the welding property of common plate from 50kJ/cm to 400kJ/cm, so as to fit for high heat input welding, e.g. multislectrocde emerged arc welding, electro-gas enclosed welding, etc. And save shipbuilding costs; 60mm thick plates can be welded though by single pass and can ensure HAZ impact property. These plates represent the national advanced level, the first products to pass shipyard inspection in China and fill the national gap.

Super High Strength Shipbuilding Plates F460-F690

Specification：≤60mm

Standard：Standards of Norway Classification society

Application：Shipbuilding
Property Indexes

TMCP type shipbuilding plates, capable to replace QT steel plates, which can reduce alloy cost, save QT process and greatly decrease production costs.

Storage LNG Deep-cold Environment Steel NV9Ni/NV 5Ni

Specification：≤40mm

Standard：Standards of Norway Classification society

Application：LNG and LEG large storage tanks
Property Indexes

5Ni: yield strength up to 500MPa, tensile strength 600MPa, elongation rate 29%, -125℃ Charpy impact absorption energy>200 J.

9Ni: yield strength up to 670MPa, tensile strength 750MPa, elongation rate 26%, -196℃ Charpy impact absorption energy >140 J.

Steel for saw blades(30CrMo、50、65Mn、75Cr1、80CrV2)

Specification：Thickness：2.3~12.0mm

Standard：GB/T711-2017、GB/T37601-2019、GB/T24181-2009 、DIN17350or as required by technical agreements

Application：Stone, wood, or metal cutting blades.
Property Indexes

Chemical composition meet the requirements of relevant standards, the content of elements P and S is lower. Inclusion grade≤2.0，Single-sided decarburization layer depth≤thickness*1.5%，The plate has high straightness and excellent heat treatment performance

Steel for Photovoltaic bracket GR500 Q355B-DX

Specification：Thickness:2.0~6.0mmWidth:950~1550mm

Standard：GB/T1591-2018、GB/T3274-2017or as required by technical agreements

Application：Photovoltaic bracket or other components.
Property Indexes

Excellent cold forming performance and high galvanized surface quality.

Wearing plate use for railway vehicle

Specification：Thickness:6.0-12mmWidth:950-1550mm

Standard：Shagang enterprise standard

Application：For the buffer hook of railway vehicle.
Property Indexes

Tensile strength: 550~880 MPa, elongation rate≥18%, use for the buffer hook of railway vehicle.

Steel for engineering machinery Q355D Q460MC Q500MD

Specification：Thickness:2.3-16.0mm：Width:950-1550mm

Standard：GB/T1591-2018、GB/T3274-2017or as required by technical agreements

Application：Aerial work platforms, lifts, excavators, tower cranes and other mechanical components.
Property Indexes

Meet the requirements of GB/T1591-2018, GB/T3274-2017, the product has better surface quality and cold bending molding performance.

Hot-rolled steel for cold forming S315MC~S700MC

Specification：Thickness:2.3-16.0mm Width:950-1550mm

Standard：EN10149-2:2013

Application：For the Bracket of pump truck, crane arm, container plate, chassis, automobile structure.
Property Indexes

Meet all mechanical properties and surface quality requirements of BS EN10149-2:1996 and the customers for the hot rolled steel for hot-rolled cold forming steel.

Steel for automobile frames 510L、610L、700L

Specification：Thickness:2.5-16mm：Width:950-1550mm

Standard：GB/T 3274-2017

Application：For automobile frames and other components.
Property Indexes

Meet all mechanical properties and surface quality requirements of GB/T 3274-2017 and the customers for the hot rolled automotive frame steel.

Steel for automobile wheels 380CL、490CL、540CL、590CL

Specification：Thickness:3.0-16mm Width:950-1550mm

Standard：YB/T 4151-2015

Application：For the wheel of van and car
Property Indexes

Meet all mechanical properties and surface quality requirements of YB/T 4151-2015 and the customers for the hot rolled wheel steel.

Steel for chains(25、40Mn、45Mn、40Cr)

Specification：Thickness：2.3~12.0mm

Standard：GB/T711-2017、GB/T37601-2019 or as required by technical agreements

Application：Various types of chains used in means of transportation, agricultural machinery, transmission equipment, and transmission equipment
Property Indexes

Chemical composition meet the requirements of relevant standards, Inclusion grade≤2.0,banged, banded structure≤2.0, Good surface quality, high dimensional accuracy, excellent cold working performance

Steel for saw blades(30CrMo、50、65Mn、75Cr1)

Specification：Thickness：2.3~12.0mm

Standard：GB/T711-2017、GB/T37601-2019、GB/T24181-2009 or as required by technical agreements

Application：Stone, wood, or metal cutting blades.
Property Indexes

Chemical composition meet the requirements of relevant standards, the content of elements P and S is lower. Inclusion grade≤2.0，Single-sided decarburization layer depth≤thickness*1.5%，The plate has high straightness and excellent heat treatment performance

Steel for engineering machinery(Q460MC、Q500MD)

Specification：Thickness：2.5~16.0mm

Standard：GB/T1591-2018、GB/T3274-2017or as required by technical agreements

Application：Aerial work platforms, lifts, excavators, tower cranes and other mechanical components.
Property Indexes

Meet the requirements of GB/T1591-2018, GB/T3274-2017, the product has better surface quality and cold bending molding performance.

Steel for solar brackets（GR500、Q355B-DX）

Specification：Thickness：2.0~6.0mm

Standard：GB/T1591-2018、GB/T3274-2017or as required by technical agreements

Application：solar PV brackets or other components.
Property Indexes

Excellent cold forming performance and high galvanized surface quality.

Hot-rolled checkered plate (H-Q235B)

Specification：thickness：3～8mm

Standard：GB/T 33974-2017

Application：Anti-skid components for transportation, construction and machinery.
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 33974-2017 and the customers for the Hot-rolled checkered plate.

High Strength Corrosion Resistant Hot Rolled Steel Plate for Railway Use (Q450/500/550NQR1)

Specification：5-16mm

Standard：TB/T 1979-2014

Application：Railway car building
Property Indexes

Yield strength≥450/500/550MPa, tensile strength ≥550/600/600MPa, CVJ@-40℃≥60J, soaking corrosion for 72h< 70% (compared to Q235B).

Hot rolled wheel steel strip 380CL、490CL、540CL、590CL

Specification：Thickness：4～16mm

Standard：YB/T 4151-2015

Application：For the wheel of van and car
Property Indexes

Satisfying all mechanical properties and surface quality requirements of YB/T 4151-2015 and the customers for the hot rolled wheel steel.

Wearing plate use for railway vehicle

Specification：Thickness：6～14mm

Standard：Shagang enterprise standard

Application：For the buffer hook of railway vehicle.
Property Indexes

Tensile strength: 550~880 MPa, elongation rate≥18%, use for the buffer hook of railway vehicle.

Hot rolled wheel steel strip 380CL、490CL、540CL、590CL

Specification：Thickness：10～16mm

Standard：YB/T 4151

Application：For the wheel of van and car
Property Indexes

Satisfying all mechanical properties and surface quality requirements of YB/T 4151-2015 and the customers for the hot rolled wheel steel.

Corrugated plate CSP290、CSP380、CSP400、CSP490、CSP560

Specification：thickness:1.5～16mm

Standard：JT/T 710-2008

Application：For highway and bridge and culvert building
Property Indexes

Satisfying all mechanical properties and surface quality requirements of JT/T 710-2008 and the customers for the corrugated plate.

Hot rolled steel for porcelain

Specification：thickness：≤40mm

Standard：GB/T 25832-2010

Application：For daily-use and industrial-use and the tanks for environment protection.
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 23582-2010 and the customers for the hot rolled steel for porcelain enameling.

Sulfuric Acid Dew Point Corrosion Resisitant Steel SNS440

Specification：4mm

Standard：National standard of Sulfuric Acid Dew Point Corrosion Resisitant Steel Plate and Strip (finalized version, the standard number undefined), Standard of Steel for Tobacco Baking House

Application：Metallurgical, electric, petroleum and tobacco industry
Property Indexes

Yield strength >315MPa, tensile strength >440MPa, elongation rate (El %)> 26, acid resistantce rate (fully soaked for 24h): sulfuric acid 20%, temperature 20C < 30% (compared to Q235B), sulfuric acid concentration 50%, temperature 70C< 50% (compared to Q235B)

Weather Resistant Bridge Steel Q500qENH

Specification：≤60mm

Standard：GB/T 714-2008

Application：Bridge
Property Indexes

Yield strength up to 526MPa, tensile strength 650MPa, elongation rate ≥21%, -40℃ Charpy impact absorption energy > 180J

Alloy spring steel 55SiCr、55SiCr-S、55SiCrV、60Si2Mn

Specification：5.5-18mm

Standard：Shagang enterprise standard

Application：Mainly used in producing suspension springs in car and other various elastic components.
Property Indexes

The product meets all standard property requirements with good drawing property and quenching-tempering performance. It has fine surface quality and low decarburization depth. The wire rods can be used to prepare 1900-2100MPa different level automotive suspension springs

High strength stranded steel

Specification：diameter:13-15mm

Standard：Shagang enterprise standard

Application：Mainly used in 2100-2400MPa prestressed steel strands.
Property Indexes

SWRS92Si-TP：Rm≥1480MPa，Reduction of area≥35%.

Salt bath cable steel

Specification：diameter:10-16mm

Standard：Shagang enterprise standard

Application：Mainly used in bridge cables.
Property Indexes

SWRS87Si-TP:Rm≥1350MPa, Reduction of area≥28%;

SWRS92Si-TP:Rm≥1450MPa, Reduction of area≥28%.

SWRS96Si-TP:Rm≥1560MPa, Reduction of area≥28%.

Wire rod for high-strength bridge cable

Specification：diameter:11~14mm

Standard：Q/320582 SGY504-2018

Application：Bridge cable
Property Indexes

Meet 5mm 1670MPa to 1960MPa and 7mm 1670MPa to 1960MPa galvanized wire for bridge cable.

Without pichling wire rod 60J、65J、70J、80J、SWRH82BJ

Specification：Φ5.5-14mm

Standard：Shagang enterprise standard

Application：Mainly used in galvanized steel wire and strand
Property Indexes

The oxide scale on the surface of the produced steel wire rod can be directly removed in the steel wire rod drawing process without pickling and phosphorus removal, so that energy is saved, and the environment is protected.

Submerged arc welding wire steel H10Mn2E

Specification：Φ6.5mm

Standard：GB/T 3429-2015

Application：Mainly used in bridge welding or building steel structure welding.
Property Indexes

Welding wire steels meet all standard property requirements and have great drawing properties. It can make welding wire with good welding properties. -40℃ impact energy ≥47J.

Tool steel 6150, 50BV30, S2、50BV30-ST

Specification：6150/S2：Φ5.5-15mm 50BV30/50BV30-ST：Φ16-38mm

Standard：Shagang enterprise standard

Application：Mainly used to make corners wrench, screwdriver, pneumatic screwdriver, sleeve etc.
Property Indexes

The product has great processing performance. The decarburized layer is less than or equal to 1%D, 50BV30 qualified 1/3 cold heading.

Cr-Mo welding wire steels ER80S-1CM/SJ-1CM/SJ-ER55-B2/H08CrMoVA/H13CrMoA/SJA3/SJA5/SJA7

Specification：Φ5.0~6.5mm

Standard：GB/T 3429-2015

Application：Used in manufacturing containers in petrochemical industry.
Property Indexes

Cr-Mo welding wire steels meet all standard property requirements and can make welding wire with good welding properties. Deposited metals: tensile strength at room temperature＞550MPa, with good high-temp properties and tempering stability.

Weather-resistant gas shielded welding wire steel TH550-NQ-Ⅱ、SJA66

Specification：Φ5.0~6.5mm

Standard：GB/T 3429-2015

Application：Mainly used in railway car welding, as well as bridge welding or building steel structure welding with weather-resistant requirements.
Property Indexes

With good drawing performance, the product can make welding wire with good welding properties, stable weldability, less splash and perfect surface. The weld metals meet all mechanical properties and weather-resistant requirements.

High-strength Alloy Cold Heading Steel SCM420、SCM435、SCr440、SCM440

Specification：Φ5.5~30mm

Standard：Q/320582 SG7~2011; JIS G4053; Shagang enterprise standard

Application：Cylinder bolt, cylinder nut, track bolt, subway segment bolt, stud bolt, etc.
Property Indexes

All properties satisfy the standard requirements. The cold upsetting performance of rod is excellent. Suitable for making the class 12.9 bolt.

550~830MPa high-strength gas protection welding wire steel bar SJA2、SJA4、SJ-60、SJA29、XC592A、XC528A、SJ-02A001

Specification：∮5.5~6.5mm

Standard：GB/T 3429-2015

Application：Building, bridge, engineering machines, coal mine machines
Property Indexes

All properties satisfy the standard requirements; welding wire possesses good welding properties. Properties of deposited metal made from the welding wire: tensile strength 600~830MPa, -20℃ impact energy ≥100J, elongation rate ≥22%. Compared to common grade welding wire, this welding wire possesses outstanding low-temp impact toughness (satisfying -20℃ impact requirement).

Emerged Arc Welding Wire Steel for High grade pipeline steel (X80/90/100)

Specification：∮5.5~6.5mm

Standard：GB/T 3429-2015

Application：Oil and gas transportation pipe industry
Property Indexes

Suitable for the welding of X80/90/100 straight welded pipes and spiral pipes. Properties of welding joints satisfy CNPC standards and requirements. Low temperature impact property of welding seam metal is good.

Wire rod for high-strength bridge cable

Specification：∮11~14mm

Standard：Shagang enterprise standard Hot rolled wire rods for bridge cable

Application：Bridge cable
Property Indexes

Satisfying 5mm 1670MPa to 1960MPa and 7mm 1670MPa to 1860MPa galvanized wire for bridge cable.

Welding net steel HW021

Specification：Φ11-13mm

Standard：Shagang enterprise standard

Application：Mainly used in railway 、bridge and tunnel.
Property Indexes

Welding net steel meets all standard property requirements and have great mechanical property. Rm≥500MPa, Rel≥360MPa, A5≥26%.

Submerged arc welding wire steel H10Mn2E

Specification：Φ6.5mm

Standard：TB/T 2374、GB/T 8110

Application：Mainly used in bridge welding or building steel structure welding.
Property Indexes

Welding wire steels meet all standard property requirements and have great drawing properties. It can make welding wire with good welding properties. -40℃ impact energy ≥47J.

Alloy spring steel 55SiCrA、60Si2MnA

Specification：Φ5.5-16mm

Standard：Shagang enterprise standard

Application：Mainly used in producing suspension springs in car and other various elastic components.
Property Indexes

The product meets all standard property requirements with good drawing property and quenching-tempering performance. It has fine surface quality and low decarburization depth. Tensile strength: 980-1160MPa (55SiCrA), 950-1130MPa (60Si2MnA), reduction of area≥32%.

Anchors steel ML20CrMnTi

Specification：Φ5.5~30mm

Standard：Shagang enterprise standard

Application：Building, bridge, engineering machines, coal mine machines
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 3077 and the customers for 20CrMnTi.

Corrosion resistant steel bar HRB400R

Specification：∮10-25mm

Standard：GB/T 33953-2017

Application：Marine and seashore buildings and bridge building projects
Property Indexes

Satisfying all requirements of GB1499.2 for common HRB400; its cost near HRB400 but its corrosion resistant ability 50% higher than HRB400.

Copper Clad Steel 6A

Specification：∮5.5~6.5mm

Standard：Shagang enterprise standard

Application：Mainly used in electronic components leads, diodes, capacitors, etc.
Property Indexes

The product has great drawing and electric properties.

Tensile strength: 310-360 MPa.

Elongation after fracture:≥70%.

Electric conductivity: ≥13%.

Low carbon steel For high strength steel fiber GX006、GX018

Specification：∮5.5~6.5mm

Standard：Shagang enterprise standard

Application：Steel fiber for industrial floors, underground channels, the ground, bridge, airport and other construction industries
Property Indexes

The product has good drawing performance. The properties for GX006(tensile strength:340~380 MPa, elongation≥22%, reduction of area≥70%), GX015 (tensile strength: 520~560 MPa, reduction of area≥60%), the reference range for GX018 (tensile strength≥540MPa).Wire drawing products have higher strength.

Alloy Cold Heading Steel ML20Cr

Specification：∮5.5~30mm

Standard：Shagang enterprise standard

Application：Fastener like bolts and nuts, rivet, etc.
Property Indexes

All properties satisfy the standard requirements;The cold upsetting performance of rod is excellent. Suitable for making the class 8.8, 9.8 bolt.

High corrosion resistant alloy rebars for the marine concrete HRB400M、HRB500M、HRB600M

Specification：∮10-25mm

Standard：GB/T34206-2017 High corrosion resistant alloy rebars for the reinforcement of marine concrete valid from June 1st, 2018

Application：Marine and seashore buildings and bridge building projects
Property Indexes

Satisfying all mechanical property requirements for common rebar steel of 400MPa, 500MPa, 600MPa; but its corrosion resistant ability 500% higher than HRB400.

Heat-resistant submerged arc welding wire steel SJA5

Specification：Φ5.0-5.5mm

Standard：Shagang enterprise standard

Application：Used in hydrogenation reaction equipment field.
Property Indexes

Steel properties (for reference): tensile strength 650~810MPa, elongation after fracture≥15%, fracture surface shrinkage rate≥35%. Welding joints have good high-temp service properties and low tempering brittleness.

Low carbon steel For high strength steel fiber

Specification：Φ5.5~6.5mm

Standard：Shagang enterprise standard

Application：Steel fiber for industrial floors, underground channels, the ground, bridge, airport and other construction industries
Property Indexes

The product has good drawing performance. The properties for GX006(tensile strength:340~380 MPa, elongation≥22%, reduction of area≥70%), the reference range for GX018 (tensile strength≥500MPa).Wire drawing products have higher strength.

High-strength Steel Rebar HRB600 And HRB600E

Specification：HRB600：∮6-32mm； HRB600E：∮14-25mm

Standard：GB1499.2-XXXX (replacing GB1499-2007) draft standard for comment

Application：Building, railway and bridge, etc.
Property Indexes

Yield strength≥600MPa, the highest strength rebar steel; HRB600E is the first 600MPa high strength anti-seismic rebar. Only Shagang can produce it in large scale.

Corrosion Resistant Steel Bar HRB600R

Specification：∮10-25mm

Standard：GB1499.2-2007 ；YB/T4361-2014

Application：Marine and seashore buildings and bridge building projects
Property Indexes

Satisfying all requirements of GB1499.2-2007 for common HRB400; its cost near HRB400 but its corrosion resistant ability 50% higher than HRB400.

High-strength Prestressed Steel Strands Rod SWRS87B

Specification：∮11~14mm

Standard：Shagang enterprise standard

Application：Prestressed steel strands and galvanized steel wire for high strength cable-stayed bridges
Property Indexes

Tensile strength >1330MPa, area reduction rate >28%. Shagang’s unique product, used to produce 2140MPa prestressed steel strands.

Environmental Friendly Free Cutting Steel AISI 1215

Specification：Φ5.5~21mm

Standard：ASTM A29/A 29M-05

Application：Instruments and meters, watch parts, automobile, machine tool
Property Indexes

The properties (for reference only) : Brinell Hardness HBW≤163, tensile strength 360~570MPa, elongation rate≥25%, reduction of area≥40%. Bright bar made from the steel meet the requirements of relevant standards. The cutting property of bright bar is excellent.

Gas Protection Solid-core Welding Wire Steel Bar XC592A

Specification：Φ5.5~6.5mm

Standard：Shagang enterprise standard

Application：Heavy machinery industry
Property Indexes

Shagang’s unique product，suitable for the welding of heavy machinery. The properties (for reference only) : tensile strength ≤1000MPa, reduction of area≥78%, -50℃ impact energy ≥47J.

High-strength Steel Wire For Metal Card Clothing ZB72Nbv

Specification：Φ5.5~6.5mm

Standard：Shagang enterprise standard

Application：textile machinery industry
Property Indexes

All properties satisfy the standard requirements; The finished product possesses good toughness and wear resistance properties. The properties (for reference only) : tensile strength ≤1300MPa, reduction of area≥35%, sorbite percentage≥80%

High-strength Boron Cold Heading Steel 10B28、10B30、10B33、10B35、15B25

Specification：Φ5.5~30mm

Standard：ASTM A 510-06

Application：Fastener as bolts and nuts, rivet, etc.
Property Indexes

All properties satisfy the standard requirements;The cold upsetting performance of rod is excellent. Suitable for making the class 8.8, 9.8, and 10.9 bolt.

Low Alloyed Axel Pin Steel 30CrMnTi

Specification：Φ5.5~30mm

Standard：GB/T 3077；GB/T 15712

Application：As chain axle pin for motorcycle and bicycle
Property Indexes

Satisfying all mechanical properties and surface quality requirements of GB/T 3077-1999 and the customers for 30CrMnTi.

High strength low alloy steel (Q420、Q460、Q500、Q550、Q690、Grade60、Grade65、Grade70、Grade80、Grade100）

Specification：Thickness:0.8-1.8mm；width:1150-1580mm

Standard：ASTM 1039、T/SSEA 0031-2019

Application：Mainly used in automobile structural parts、shelves and supports, truck bodies etc
Property Indexes

Yield strength：460~700MPa， tensile strength：480~750MPa， Elongation meets corresponding standard requirements, and the shape and surface quality of the product can reach a high level.

High Carbon Steel (45 、50)

Specification：Thickness:0.8-1.8mm；width:1150-1570mm

Standard：Shagang enterprise standard

Application：Mainly used in tape、hairpin etc
Property Indexes

Meet composition、profile、specification of the customers

Structural steel (Q235B、Q355B、SPHT1、SPHT2)

Specification：Thickness: 0.8~1.8mm Width：1150-1580mm

Standard：GB/T 3274-2019、T/SSEA 0030-2019、T/SSEA 0031-2019、JIS G3132-2011

Application：Mainly used in agricultural machinery 、shelf、tubulation、door sheet、cabinet body etc.
Property Indexes

Q235B:Yield strength ³ 235MPa, tensile strength：370~500MPa, elongation rate ³ 23%

Q355B:Yield strength ³ 355MPa, tensile strength：470~630MPa, elongation rate ³ 15%

SPHT1:Tensile strength≥270MPa, elongation rate ³30%

SPHT2:Tensile strength≥340MPa, elongation rate ³25%

High Strength Low alloy steel Grade 55、Grade 65、Grade 70、Grade 80、Grade 100

Specification：Thickness:0.8~1.8mm；width:1150~1580mm

Standard：ASTM 1039,T/SSEA 0031-2019

Application：Mainly used in automobile structural parts,shelves and supports, truck bodies etc.
Property Indexes

Yield strength：400~700MPa， tensile strength：450~750MPa， Elongation meets corresponding standard requirements and the shape and surface quality of the product can reach a high level.

High Carbon Steel UTS-50JP

Specification：Thickness:0.8~1.8mm；width:1150~1570mm

Standard：Shagang enterprise standard

Application：Mainly used in tape、hairpin etc
Property Indexes

Satisfying composition,profile,specification of the customers.

Containers Steel SPA-H

Specification：Thickness:0.8~1.8mm；width:1150~1580mm

Standard：JIS G3125-2004、Shagang enterprise standard

Application：Containers
Property Indexes

Yield strength ³ 355MPa, tensile strength≥490Mpa，elongation rate ³ 22%。

Structural steel Q235B/Q345B

Specification：Thickness：0.8~1.8mm；width：1150~1580mm

Standard：GB/T 3274-2019、T/SSEA 0030-2019、T/SSEA 0031-2019、Shagang enterprise standard

Application：Mainly used in agricultural machinery ,shelf,tubulation,door sheet,cabinet body etc.
Property Indexes

Q235B:Yield strength ³ 235MPa, tensile strength：370~500MPa, elongation rate ³ 23%

Q345: Yield strength ³ 345MPa, tensile strength：470~630MPa, elongation rate ³ 15%.

Iron-making process improvement for cost reduction

Blast furnace top distributing technology: Combine the material distributing model and analog calculation to develop the blast furnace simulation top distribution system, help the operators realize the real situation of the material layer distribution and ore to coke ratio (O/C) directly, and optimize the BF top material distributing accurately; Furthermore, make research on the circumferential direction of layer thickness and the uneven distribution of coke rate caused by blast furnace parallel hoppers distribution segregation and improve the segregation by chute normal-reverse transfer and flow backward; Due to the segregation caused the minimum coke particle size into the BF center, so improve the design of the hopper as to guarantee the big-sized particle, high quality coke and distribute the small-sized sinter in the center, it helps to lay the solid foundation for reducing the ore to coke ratio (O/C) and charging by the material quality and grade

Authorized Patent No.：（1）BF radial coke distribution and ore layer thickness measuring deveice, ZL201120429757.X；（2）BF distribution circumferential direction segregation simulation ZL201210045242.3.

Optimized coking coal blending system:Develop the coke quality prejudgement and blending system, implement the prejudjectemnt for all coke indexes, (coke net cost = coking coal cost – by-product cost) minimum net cost, and integration of those advanced coal blending technologies. Start from Nov. 2012 carried out the practice of optimized coal blending system on 1#-8# coke ovens of Hongfa Coke-oven Plants, made the effectives of 5-40 Yuan/t cost reducing, also by the coking coal quality prejucement control the stable quality, so that the precision of the coking coal cold intensity prejudgement under 1% and hot intensity under 2% consequently.

Authorized Patent No.：（1）minimum cost coking coal blending system: ZL201010576330.7；（2）Micro coking sample preparation device for coking coal microscopic structure sizing ZL201420140968.X.

Ore blending optimization:Create the comprehensive assessment methods for ore; display the influence of ore elements to the ore price; create the sintering optimization ore blending software system, besides the guarantee of ore grain size distribution, sphericity, chemistry, sintering character and supply etc., make ore blending under the minimum comprehensive esteem value, so as to reduce the procurement cost and guarantee the ore quality. Hongfa Iron-making Plants use this system since April, 2013 and help to reduce the cost of ore blending 2-10 Yuan/t.

Hongfa Iron-making plant, blast furnace optimized ore blending system：Create the BF optimized ore blending system with the minimum hot metal cost, sintering and BF integration optimized ore blending system.Based on the limiting conditions as ore sintering character, metallurgical performance, composition, slag composition, hot-metal composition and so on, the system will calculate the best solution with the minimum iron ore ton cost for the ore blending, moreover, the system has more functions as calculation of the hot metal cost, and BF single blast gate excess oxygen coefficient calculation. All these functions achieve the intergrated optimization and analog calculations from sintering ore powder to hot metal, bottom adjustment and cost control. This system has been handed over and utilized in Hongfa Iron Making Plant; it has played an important role on cost reducing, fix and instructs the production. It estimated cost reducing 2-8 yuan/ton iron.

Big data analysis for the BF：To collect and process comprehensive BF data in automatic way; Via big data analysis, to figure out and line-up all factors which are influential to the throughput, fuel consumption, pressure difference, Si content in the HM, etc. It is to perform performance prediction and assortment analysis. It can be used to set up reasonable operation practice and proper window of raw material conditions which will help and support in stabilizing the BF operation, increasing the production and reducing consumptions.

Technical approach for longer service life of BF：Via detailed analysis to the relined BF, optimized calculation and design has been made to overcome the original design mistakes/defects on the cooling pipe system of BF; Improvement proposals are made to the quality of carbon bricks and ramming material, as well as reasonable proposals for the furnace protective measures and standard, measures for controlling harmful elements from getting into the furnace. All those proposals have clearly helped to extend the life time of the furnace, like：the life time of the 1080m3 BF has been doubled and the life time of the 2500m3 BF can be extended from 6 years to about 10 years.

Automatic reporting system for the BF：The big data platform for the iron making processes has been independently developed using own resources. Based on that platform various systems have been built and in operation, like: automatic reporting system for 8 sets of reports of different applications; 7sets big data processing platforms, 2 sets of intelligent furnace shell/body monitoring systems; one set of furnace charging model; one operation parameter trend monitoring system. All these systems have helped the plants to save lots of time which been needed by manual input, reduce the risk of mistakes, provide information support to the operators with furnace condition analysis and improve the accuracy of operation tuning activities.

In order to improve the EAF smelting efficiency under the high scrap ratio condition, and reduce the consumption of electricity and electrodes at the same time, the electrode regulating system and power supply system are optimized which can make the arc current stable and improve the active power input into the furnace as well as the utilization rate of arc energy. As a result, the power on time and the power off time caused by the breaking of the electrode are shortened which improve the smelting efficiency and reduce the production cost. After the application of the new process, one to two more heats can be produced per shift, and the power consumption per ton of steel decreases by 20 kWh.

Steel-making Process Optimization

KR desulfurization process engineering and optimization: This hot metal pre desulfurization solution has the features of stable performance and good deep desulfurization ability; it helps to creating the deep desulfurization process technology conditions for developing the high-level products for Shagang, also provide the most powerful guarantee to the transformation and upgrading of Shagang. Besides that this process helps to reduce the energy consumption on refining and Mg podwer usage, cost reducing over 23 million Yuan/year.

BOF MURC process: In order to reduce the consumption of accessories and cost of accessories and raw material on BOF steel-making, according to the research on the early stage converter dephophorization, deslagging interval and blowing process parameter, so as to developed the BOF MURC Process. Comparing with the nomal process, the consumption of lime, soft burned dolomite are reduced from 26kg/t to 15kg/t and 13kg/ to 9kg/t respectively, deslagging reduced from 95kg/t to 45kg/t.

Silicon steel RH vaccum refining process optimization：Optimize the silicon steel RH vaccum refining process for improving the cleanliness level of non-oriented silicon steel, and develop the Shagang RH desulfurization for the multifunctional refining. Optimize the converter slagging process and stabilize the RH condition for refining; optimize the vaccum decarbonization process, molten steel and slag deoxidization process, first proposed the concept of the molten steel and slag deoxidization process; develop the Silicon steel RH desulfurization function; so that the molten steel carbon less than15ppm, sulfur less than 30ppm and T.0 less than 15ppm after RH refining treatment, to be the pure silicon steel.

Heavy Plate, CCM slab soft reduction optimization：Due to the rejected heavy plates from customers’ with the center UT laminate defects are caused by the slab center defects, so optimized the 4# CCM soft reduction process parameters to improve the slabs’center segregation and porosity etc, consequently, the Q345B inspection qualified rate increased from 92.7% to 100%; axis cracks of alloy peritectic slab reduced from 45% to 10%.

Ca treatment model for Al killed steel:The development of CA-Al-S-O equilibrium model is to increase the Ca treatment effectiveness according to the chemistry of the various AL killed grades and their steel making process routes. Based on the erosion and build up conditions on the nozzles and stopper rods found after casting operation of AL killed cold heading grades, improvement proposals are made to perform a more reasonable Ca treatment practice and the melting process has also been optimized to overcome the nozzle skull/build-up and refractory erosion issues.

Melting process for Hi-Cr alloy steel:HRB400M rebar is a kind of high-Cr and super-low carbon alloy steel product with good anti-corrosion property. Because of its special chemical composition, it is very difficult to produce using BOF facility and there is also few relevant production information can be found abroad. To make sure that the test production can be performed smoothly, complete process specifications have been made, covering HM pretreatment, BOF operation, LF&RH procedure, casting setups. Special arrangements have been made for the touch cutter with powder injection and handling rigs with air cooling. The result tells that the engineered process to product corrosion resistant rebar using BOF route is successful, sequence casting been achieved, production cost been reduced and the customer’s order been fulfilled.

Optimization of the refining slag engineering and the control of B type inclusions:There are certain drawbacks in the current secondary metallurgy process, like: high consumption of slag forming material, too many types of deoxidation agents to be used, secondary inclusion modification issues, and so on. After proper engineering, the consumption of deoxidation agents, inclusion modification agent and slag forming material have been reduced via progressively reducing those additions in every process step. This updated process can be used for making alloyed structure steel, like: 20-2, 35-2, 45-2, 20Cr, 40Cr, etc. with high efficiency and low cost, thus given the benefits in low production cost, high prime rate. There are certain substandard product quality issues in which B type of inclusions are involved in Huaigang. Engineering work was given to design a new improved and suitable process to control the cleanness of the steel over all process steps: LF secondary metallurgy, RH –degassing process, ladle soft stirring/bubbling and closed casting procedure. Via implementation of those complete control measures, the prime rate of Huaigang has been raised up to 97%, as far as the B type non-metallic inclusion is concerned.

Bloom caster “heavy reduction ” practice:The main quality problems found on the casted high-carbon bloom are concentrated in the center area of the bloom (centre segregation, centre cracking, etc.). Investigation has been made through checking the etched sample slices to find the position of the center cracks, compression condition and cracking forming mechanism. Analysis has been made to define the relationship between the solidification structure and the equiaxial crystal and center segregation. Engineering optimization has been made, like the total reduction in heavy mode applied to the bloom, position of applied reduction, allocation of the reduction, and other parameters. For different grades different setups of “heavy reduction” mode have been created for medium and high carbon steel, solve many problems such as centre segregation etc.

Optimization of steel rolling process

Width control on initial hot-rolled non-oriented silicon strip:In order to solve the problem of the width control for initial strip after roll changes, steel grade and specification changes, by forming up and utilizing the dedicated rolling schedule sheet of non-oriented silicon steel, optimizing deformation resistance models parameters and developing the dedicated head width control function, ect., and has made remarkable progress: the initial strip of all the grades can be rolled in stable and hit accurately of width ±100μm in 100%, ±50μm above 90%.

Surface defect detection and identification technology on cold-rolled products：Solve the severe flaws of Shagang cold rolling mill and silicon steel continuous annealing unit to affect product quality, improve the accurate rate of detection and identification from 70% to 95% or above, provide real and timely data of strip surface defect, realize the stable production under unmanned inspection. Also analysis and research theregularity and set up a tracing system for defects so as to create a good basic precondition for unmanned production in steel industry in future.

Non-oriented silicon steel profile control technology：How can the hot-rolled steel strip match the profile control requirements from cold rolling mill and UCM function when produce non-oriented silicon steel. Especially by the roll deformation FEM simulative analysis and on-site testing to work out how the main process parameter of hot rolling and cold rolling influence the transverse thickness differences of silicon steel, so that conclude a systematic control technology of transverse thickness differences for cold-rolled non-oriented silicon steel. Since put into production, this technology has help to improve the hit ratio of thickness control differences under 10μm from 60% to 100%, under 7μm above 90%.

Find out the causes and control technology of slab oxidation burning loss in heating furnace of 1450mm Hot Rolling Mill：define the various causes by lab testing and figure out the optimized measures to reduce the oxidation burning loss during the real production. The on-site practice verified that these technique measures were viable. Since adopted these measures, the slab oxidation burning loss in heating furnace of 1450mm Hot Rolling Mill plant has reduced 0.23% against previous.

Pitting issues of cold rolled and annealed strip and control approach:The pitting issues on the surface of cold rolled and annealed strip (commercial grade) lead to a detailed investigation and analysis campaign. Samples are taken from the annealing line for commercial grade, tested and analyzed in the laboratory. Capability verification has been performed on the annealing furnace and cleaning sections. Comprehensive technical investigation been conducted to the build-up issues on the furnace rolls and various forming mechanisms of those build-ups have been aligned. Based on the problems found on the annealing line (commercial grades), like: cleaning section, coating of the furnace rolls, atmosphere inside the furnace and tension issues, improvement and control proposals have been given to restrain the build-ups on the furnace roll and to get rid of the pitting on the strip. Since the introduction of the improvement activities on to the continuous annealing line (commercial grade), the pitting issues have been successfully overcome.

The “black box” measuring and analyzing device/system for tracking reheating furnace temperature:The “Black Box” furnace temperature tracking and analyzing system was introduced, accompanied with related know-how in temperature measuring and analyzing. Via using this device we got much better understanding about the various furnace operation conditions inside the company. Over two years this system has been used on reheating furnaces in the hot strip mills, bar mills and plate mills to provide detailed combustion diagnosis which can be integrated with the finite-element method to optimize the operation profile of the furnaces. By using this system effectively, improvements on the furnace operation conditions, heating quality and energy consumption reduction have been achieved.

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