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SA283 GrC steel plate is divided into four grades: SA283 GrA, SA283 GrB, SA283 GrC, SA283 GrD, which belong to the American standard carbon structural steel. SA283 GrC carbon structural steel technical standard: ASME SA283/SA283M; heat treatment delivery status: hot rolled, TMCP, normalizing.
Melting analysis of chemical composition of SA283 GrC carbon structural steel:
| Grade | Thickness | C | Si | Mn | P | S | Cu |
| SA283 GrC | ≤40mm | ≤0.24 | ≤0.40 | ≤0.90 | ≤0.035 | ≤0.040 | ≥0.20 |
| >40mm | ≤0.24 | 0.15-0.40 | ≤0.90 | ≤0.035 | ≤0.040 | ≥0.20 |
Mechanical properties of SA283 GrC steel plate:
| Grade | Tensile strength MPa | Yield strength MPa | 200mm Elongation A% |
| SA283 GrC | 380-515 | ≥205 | 22 |
SA283 GrC carbon structural steel has good mechanical properties and is generally used for riveting, bolting and welding structural parts for bridges and buildings.
