2431| 1
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GB/T3077中30CrMnTi為何無屈服強(qiáng)度的參數(shù)? |
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點評
多謝大俠計講解,好像有說屈服強(qiáng)度與抗拉強(qiáng)度有個0.6~0.8這間的關(guān)系
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