| 牌號(hào) | C20E4 |
|---|---|
| 對(duì)應(yīng)標(biāo)準(zhǔn) | ISO 683-18-1996
熱處理鋼、合金鋼和易切削鋼-第18部分：非合金和低合金鋼光亮產(chǎn)品 Heat-Treatable Steels, Alloy Steels and Free-Cutting Steels - Part 18: Bright Products of Unalloyed and Low Alloy Steels |
| 歸類 | 碳鋼 |
| 標(biāo)簽 | 直接淬火鋼 優(yōu)質(zhì)非合金結(jié)構(gòu)鋼 |
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