• In this thesis, series of low carbon cast steel shot were successfully obtained by medium-frequency melting and centrifugal atomization technologies and temper were performed.

    采用中频熔炼离心雾化凝固冷却得到铸钢,并对此进行相应回火处理得到不同硬度及寿命的低碳铸钢丸。

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  • The ranges of temper hardness are given: 4 for carbon steel and 8 for alloy steel.

    给出了常用质硬度范围普碳素钢4档,合金钢8档;

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  • The ranges of temper hardness are given: 4 for carbon steel and 8 for alloy steel.

    给出了常用质硬度范围普碳素钢4档,合金钢8档;

    youdao

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