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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| Max 0.20 | 1.5-2.5 | Max 2.0 | Max 0.045 | Max 0.030 | 24.0-26.0 | 19.0-22.0 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 986 (≥) | 724 (≥) | 21 | 32 | 31 | Solution & Aging, Ann, Ausaging, Q+T | 412 |