ASTM A709 steel coil is in accordance with the standard specification for bridge structural steel, ASTM A709 steel coil is a carbon, high strength low alloy and quenched and tempered alloy steel mainly used in bridge construction. BBN offers the following 5 grades of steel coils: A709,36, 50, 50W, HPS 50W. The atmospheric corrosion resistance index of 50W, HPS 50W and HPS 70W are 6.0.
Product Parameters
Product Name | A709/S355J0W Carbon Steel Roll |
Production process | hot rolling,cold rolling |
Material Standards | AISI,ASTM,ASME,DIN,BS,EN,ISO,JIS,GOST,SAE etc. |
Width | 45mm-2200mm |
Length | Custom size |
Thickness | hot rolling: 2.75mm-100mm cold rolling: 0.2mm-3mm |
Delivery conditions | rolling,Annealing,Quenching,Tempered or standard |
Surface process | Ordinary,Wire drawing,Laminated film |
chemical composition
A709 | 50W | 50 | 36 | |||||
Type A | Type B | Type C | ≤ 20mm | 20-40mm | 40-65mm | 65-100mm | ||
C | 0.19 | 0.20 | 0.15 | 0.23 | 0.25 | 0.25 | 0.25 | 0.27 |
Mn | 0.80-1.25 | 0.75-1.35 | 0.80-1.35 | 1.35 | - | 0.80-1.20 | 0.80-1.20 | 0.80-1.20 |
P.max | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 |
S.max | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Si.max | 0.30-0.65 | 0.30-0.65 | 0.15-0.40 | - | 0.40 | 0.40 | 0.15-0.40 | 0.15-0.40 |
With..min | 0.25-0.40 | 0.20-0.40 | 0.20-0.50 | - | 0.20 | 0.20 | 0.20 | 0.20 |
Ni.max | 0.40 | 0.50 | 0.25-0.50 | - | - | - | - | - |
Cr | 0.40-0.65 | 0.40-0.70 | 0.30-0.50 | - | - | - | - | - |
V | 0.02-0.10 | 0.01-0.10 | 0.01-0.10 | - | - | - | - | - |
Mechanical properties
A709 | Thicknessmm | Yield strengthmin | Tensile Strengthmin | Elongation% | |
200mm | 50mm | ||||
36 | ≤100 | 250 | 400-550 | 20 | 23 |
50 | ≤100 | 345 | 450 | 18 | 21 |
50S | - | 345-450 | 450 | - | - |
50W,HPS50W | ≤100 | 345 | 485 | 18 | 21 |
HPS70W | ≤100 | 485 | 585-760 | - | 19 |
100,100W,HPS100W | ≤ 65 | 690 | 760-895 | - | 18 |
100,100W | 65-100 | 620 | 690-895 | - | 16 |
Physical Performance
Physical Performance | Metric | Imperial |
Density | 7.80g/cc | 0.282 lb/in³ |
Scope of application
ASTM A709 Gr.36/Gr.50/Gr.50W applies to steel structure/steel processing parts for bridges, railways, ships, vehicles, machine tools, etc. ASTM A709 Gr.36/Gr.50/Gr.50W steel includes carbon steel and high-strength low-alloy steel structural sections, plates and bars, and quenched and tempered alloy steel for structural plates.
Equivalent Material
European Standard | American Standard | Japanese standard | France | United Kingdom |
S355J0W | A242 Gr.1/A588 | SMA50AW | E36WB3 | WR50B |
European Standard Old | India | Russia | International | National Standard |
Fe510C2KI | Fe510C2K1 | 17G1S | Fe355W | 350AAT |
