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| 成分 | C | Si | Mn | P | S | Cr | Mo | Ni | Bt | CEV | |
| nm500 | ≤0.38 | ≤0.70 | ≤1.70 | ≤0.020 | ≤0.010 | ≤1.20 | ≤0.65 | ≤1.00 | 0.005-0.006 | 0.65 | |
| nm500 | 130 | 2 | 7 | 7 | 6 | 1 | 7 | 5 | 1 | 现货 |












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