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我厂生产的φ0.6～φ2.5毫米的高速钢钻头,采用了贝氏体热处理工艺,提高了使用寿命,改善了综合机械性能,取得了较好经济效果。贝氏体处理方法
I produced φ62 ~ φ2.5 mm high-speed steel drill bits, the use of bainite heat treatment process to improve the service life and improve the overall mechanical properties, and achieved good economic results. Bainite treatment methods