摘要：叙述了对Cr12钢渗硼拉深凹模的选材及热处理，模具的渗硼工艺是950℃保温5h，出炉空冷，200℃回火1．5h。使用Cr12钢渗硼拉深凹模后在提高生产效率、节电和降低废品率方面都有较明显的效果。
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