工具钢通常要用球化来提高切削性。

Tool steels are normally spheroidized to improve machinability.

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切削性操作 有錾削、锯削、锉削、攻螺纹、套螺纹。

Chisel cutting operation of cut, cut cut, cut file, attack thread, the thread sets.

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切削性优异的通用冷作模具钢。注意大型加工品的淬火及钢丝电火花加工。

Cold working dies of superior machinability for general use; for large product quenching or wire electronic discharge machining.

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