淬火钢为什么要退火呢?。
淬火钢为什么要退火呢?。
该耳轴轴颈（22）通过淬火钢的干式切削形成。
The trunnion journal (22) is made by cutting hardened steel with using no cutting fluid.
可由一般为处理材料一直加工到淬火钢，适用范围广。
It has wide application rage from common material treatment to process hardened steel.
结果表明，钢球开裂为淬火开裂，淬火温度过高是导致淬火钢球开裂的主要原因。
The main cause of the cracking is that the quenching temperature is too high.
含碳量低的钢对淬火处理没有明显的反应。
Steel with low carbon content will not respond appreciably to hardening treatment.
研究了45钢在脉冲电场作用下淬火的新工艺。
The new technics of 45 steel quenching under pulse electric field was studied.
含碳量低的钢对淬火处理几乎没有反应。
Steel with low carbon content will not respond appreciably to hardening treatment.
亦适合一般制钢时作淬火用。
材质：特殊不锈钢，淬火处理。
材质：特殊不锈钢，淬火处理。
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