440c
440c-
Study on axial length changing and its controlling during heat treatment of 440C steel tube
440C钢管热处理轴向尺寸变化规律与工艺控制
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AISI 440C stainless steel is considered as martensitic stainless steel , which is characterized with high carbon content , strength , hardness and wear resistance but poor in machinability .
AISI440C不锈钢是一种高碳马氏体不锈钢，其含碳量高，强度、硬度和耐磨性高，切削加工性能差。