Ss400 equivalent grade ASTM A283 Grade C is under steel specification ASTM A283/A283M for low and intermediate tensile strength carbon steel plates.
SS400 equivalent grade ASTM A283 Grade C own min. yield strength at 205Mpa, tensile strength at 380-515Mpa. Min. yield strength of SS400 steel is at 245Mpa and tensile strength at 400Mpa-500Mpa. SS400 tensile strength is very near to that of A283 Grade C steel.
SS400 steel and SS400 equivalent grade ASTM A283 Grade C have much in common:
SS400 steel and SS400 equivalent grade ASTM A283 Grade C chemical composition %:
| Grade | C (t≤16mm) | Si | Mn | P | S | Cu |
| SS400 | - | - | - | 0.050 max | 0.050 max | - |
| ASTM A283 Grade C | 0.24 max | 0.04 max | 0.09 max | 0.035 max | 0.040 max | 0.20 min |
SS400 steel and SS400 equivalent grade ASTM A283 Grade C mechanical properties:
| Grade | Yield strength ReH/(N/mm2) (t≤16mm) min |
Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) |
Elongation A/% (3mm≤t≤40mm) min |
| SS400 | 245 | 400-500 | 21 |
| ASTM A283 Grade C | 205 | 380-515 | 25 |
SS400 steel and SS400 equivalent grade ASTM A283 Grade C carbon steel plates are mainly used for oil tanks for oil and gas companies.
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