Carbon Steel Coil
A709 steel coil is high-strength alloy steel coil that is widely used in construction, bridges, ships, automobiles and other fields. The chemical composition of A709 steel coil mainly includes carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel and other elements. The carbon content is relatively high, generally between 0.22%-0.29%.
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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 Coil 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 Delivery Conditions Rolling, Annealing, Quenching, Tempered or Standard Surface Process Ordinary, Wire Drawing, Laminated Film
Cold Rolling: 0.2mm-3mm
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