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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| Max 0.070 | Max 0.70 | Max 1.50 | Max 0.040 | Max 0.030 | 15.0-17.0 | 3.00-5.00 | Max 0.06 |
| Cu(%) | Nb(%) | ||||||
| 3.00-5.00 | 5xC％≤0.45 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 987 (≥) | 335 (≥) | 44 | 31 | 22 | Solution & Aging, Ann, Ausaging, Q+T | 433 |
