34578| 23
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304系列不锈钢硬度能达到HRC40吗? |
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点评
用4系的,很硬
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点评
呵呵,几乎没碳的钢材,不晓得怎么形成马氏体,固溶热处理是提高塑性和韧性的,对硬度是不升反降,这种答案只能呵呵了
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