樓主: xiaobing86203
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一位熱處理廠長(zhǎng)畢生經(jīng)驗(yàn)之談 |
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點(diǎn)評(píng)
不是直接用冷拔鋼,,而是后期還要滲碳淬火。不知道有問(wèn)題沒(méi)有,?衡量20Cr與15鋼滲碳淬火后的差異指標(biāo)是什么,?
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