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8 年
7CrSiMnMoV(CH-1)火焰淬火钢
火焰淬火钢是工业发达国家上世纪70年代开始研发使用的新型模具钢,7CrSiMnMoV由我国首钢特钢研制的同类冷作钢,代号CH-1,2000年纳入国标。 CH-1钢属火焰淬火钢,用其制造大型、复杂的冷作模具。CH-1钢可用于模具刃口部位,经氧-乙炔火焰加热到淬火温度,然后 ...
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