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請(qǐng)問,淬火用空冷,冷速能滿足條件么? |
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點(diǎn)評(píng)
我知道啊,我是說硬度不對(duì),這個(gè)硬度不應(yīng)該是淬火硬度,剛查了下,65mn調(diào)質(zhì)硬度也有hrc40以上了。建議去查資料
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