| SUM24 | Chemical components(%) | ||||
|---|---|---|---|---|---|
| C | Mn | P | S | Pb | |
| ≧0.15 | 0.85-1.15 | 0.04-0.09 | 0.26-0.35 | 0.10-0.35 | |
| Item | Unit | |
|---|---|---|
| Tensile strength | MPa | ≧440 |
| Elongation | % | ≧4 |
| Hardness | HMV | ≧160 |
| SPCC | Chemical components | Application | |
|---|---|---|---|
| P | S | General use | |
| ≦0.05 | ≦0.05 | ||
| Item | Unit | |
|---|---|---|
| Tensile strength | MPa | ≧275 |
| Elongation | % | ≧36 |