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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) | V(%) |
|---|---|---|---|---|---|---|---|---|
| 0.16-0.24 | 0.10-0.50 | 0.30-1.00 | Max 0.03 | Max 0.03 | 10.0-12.0 | 0.30-1.00 | 0.50-1.00 | 0.20-0.50 |
| N(%) | B(%) | |||||||
| Max 0.10 | Max 0.008 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 745 (≥) | 222 (≥) | 11 | 21 | 43 | Solution & Aging, Ann, Ausaging, Q+T | 321 |