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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| Max 0.09 | Max 1.0 | Max 1.0 | Max 0.045 | Max 0.030 | 16.0-18.0 | 6.5-7.5 |
| Al(%) | ||||||
| 0.75-1.50 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 467 (≥) | 446 (≥) | 44 | 41 | 23 | Solution & Aging, Ann, Ausaging, Q+T | 142 |