ASTM A283 Grade C is a common structural carbon steel plate with low and medium tensile strength. For ASTM A283 Grade C steel sheets made of coils or without heat treatment, additional tests are usually required for stress relief. Usually, after coils are uncoiled, inspection, tempering and heat treatment are required before they leave the factory.
| ASTM A283 Grade C Chemical Elements (max) | Heat Analysis, % |
| Carbon | 0.24 |
| Manganese | 0.9 |
| Phosphorus | 0.03 |
| Sulfur | 0.03 |
| Silicon | |
| Plates 11⁄2 in. [40 mm] and under, max | 0.4 |
| Plates over 11⁄2 in. [40 mm] | 0.15-0.40 |
| Copper | 0.2 |
ASTM A283 Grade C mechanical properties ( Mpa):
| Grade/ Material | Tensile Test | Ksi/MPa |
| A283 Grade C/ A283 Gr C | Tensile Strength | 55-75/380-515 |
| Yield Strengh | I:30/205 | |
| Elongation | I:22% | |
| Impact Test( if any) |
ASTM A283 Grade C steel is mainly used for structural purposes. And it can also be used for boiler and pressure vessel manufacturing. ASTM A283 Grade C steel products include A283 Grade C steel plate, A283 Grade C steel coil, A283 Grade C Steel pipe and A283 Grade C structural steel products, such as section steel, steel beam and so on.
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