2、工、模具行业(tool and die steels) 高碳钢中的钒，与其它合金元素如Cr．W．Mo等,在铸造过程中形成硬质初始碳化物，这些碳化物在高温下较稳定，在随后的锻造和热处理...
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The sorts and properties of powder metallurgy tool and die steels abroad were summarized.
概述了国外粉末冶金工模具钢的种类及特性。
The deficiencies were indicated in powder metallurgy tool and die steels in China compared with the developed countries.
指出了我国在粉末冶金工模具钢方面与发达国家的差距。
Cryogenic treatment is a good way to enhance the wear resistance of the tool and die steels, and extends their use life.
深冷处理能极大提高工模具的耐磨性，延长其使用寿命。
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