批发供应JISSUS420/AISI420不锈钢JISSUS420/AISI420化学成份CHEMICALCOMPOSITIONC(碳）Si（矽）Mn（锰）Cr（铬）Mo（钼）Ni(镍）0.360.400.7016.001.200.90出厂硬度DELIVERYHARDNESS预硬处理HB260-280Pre-hardenedHB260-280特征FEATURES适合制造PVC，POM塑料产品（如家电、水管、接头及容器等），或其他腐蚀塑料及普通塑料模具，都不需担心模具***问题。SuitableforPVC,POMproducts(e.g.Electricalappliances,drainpipes,plugsandhighqualitycontainers),andmoldsforgeneralflame-retardantresins,especiallywithlowrustformationduringstorage.)