HPM38　　日立金属HPM38(SUS420J2改良)是13CR系含MO不锈钢,经过特殊溶解制造而成有很好的耐腐蚀性.因此,**适合于要求硬度高且对耐腐蚀镜面性要求高的塑胶模具,而且,HPM38热处理尺寸变化极小,适合精密热处理.HPM38日本日立金属塑胶模具钢，超级镜面不锈钢，**的镜面抛光性、耐腐蚀性和耐磨性，热处理变形小，耐腐蚀镜面加工用钢，使用硬度50-55HRC，经过特殊熔炼制成。

　　交货状态: 预硬至 29-33HRC 淬火过火后硬度可达 50-55HRC

　　钢材特性: HPM38是13铬系含钼不锈钢，经过特殊溶解制造而成的，因此**适合于硬度高且对耐腐蚀镜面性要求高的塑料模具。而且它热处理变形极小，所以也适合于精密热处理。此外，浸蚀性好，对模具的保养十分有利。镜面加工性十分优良，拥有比SUS420J2更好的耐磨蚀性，无需镀铬。热处理畸形变小，**适合于精密模。交货时为预硬状态，因此可以立即使用。

　　用途: 用于耐磨腐蚀及镜面加工精密塑料模具钢透明品成型模具、透镜、化妆品盒等阻燃树脂成型模具、家电、办公用具、通信器材零件无电镀产品：食品窗帘容器， 医疗器械。

　　热处理: 淬火 1000-1050 空冷回火 200-500 空冷

　　出厂状态:预硬处理至HB 300-330

　　化学成分(%):

　　C :1.5

　　Si :≤0.4

　　Mn :≤0.6

　　Cr :12.0

　　Mo :1.0

　　V :0.3

　　腾宁品种：HPM38光圆,HPM38毛圆,HPM38锻圆,HPM38锻板,HPM38扎板

　　腾宁加工：HPM38光板,HPM38精板,HPM38热处理

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