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| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| Max 0.150 | Max 1.00 | 5.50-7.50 | Max 0.045 | Max 0.030 | 16.0-18.0 | 3.50-5.50 |
| N(%) | ||||||
| 0.05-0.25 |
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 229 (≥) | 567 (≥) | 43 | 11 | 21 | Solution & Aging, Ann, Ausaging, Q+T | 442 |