| 牌號(hào) | C30 |
|---|---|
| 對(duì)應(yīng)標(biāo)準(zhǔn) | ISO 683-1-1987
熱處理鋼、合金鋼及易切削鋼 第1部分:直接淬硬非合金和低合鋼黑材 Heat-Treatable Steels,alloy Steels and Free-Cutting Steels. Part 1:Direct-Hardening Unalloyed and Low-Alloyed Wrought Steel in Form of Different Black Produts |
| 歸類 | 碳鋼 |
| 標(biāo)簽 | 優(yōu)質(zhì)鋼 |
| 說(shuō)明 | 牌號(hào)后綴字母:H等級(jí)——標(biāo)準(zhǔn)淬透性帶、HH等級(jí)——窄淬透性帶、HL等級(jí)——窄淬透性帶; |
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