元素 | C | Si | Mn | Cr | W | S | P |
含量(%) | 0.90~1.05 | 0.15~0.35 | 0.80~1.10 | 0.90~1.20 | 1.20~1.60 | ≦0.030 | ≦0.30 |
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2YK30
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