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增加M-2与M-10高速鋼的含碳量,使刀具硬度与耐用度提高。加入1%的碳最佳。在退火条件下,新钢的可加工性与同类型未經变質处理的高速鋼相同。
Increase the M-2 and M-10 high-speed steel carbon content, the tool hardness and durability increased. Add 1% carbon best. Under anneal conditions, the workability of the new steel is the same as high-speed steel of the same type without deterioration.