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由于粉末冶金法生产的高速度具有组织均匀和红硬性好等优点,日本最近制成了“HAP”系列粉末高速钢,现将其种类与性能作简单介绍。
Due to the high speed of powder metallurgy production with the advantages of uniform organization and good red hardness, Japan recently made “HAP” series of powder high-speed steel, now its type and performance for a brief introduction.