牌號(hào) | 4140 H |
美國(guó)UNS | H41400 |
對(duì)應(yīng)標(biāo)準(zhǔn) | ASTM A304-2016
須符合淬火淬透性要求的碳鋼與合金鋼棒材規(guī)范 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements |
歸類 | 合金鋼 |
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