JIS SUS420/AISI 420 化学成份 CHEMICAL COMPOSITION C(碳) Si(矽) Mn(锰) Cr(铬) Mo(钼) Ni(镍) 0.36 0.40 0.70 16.00 1.20 0.90 出厂硬度 DELIVERY HARDNESS 预硬处理HB260-280 Pre-hardened HB260-280 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,都不需担心模具保养问题。 Suitable for PVC,POM products(e.g. Electrical appliances, drain pipes, plugs and high quality containers), and molds for general flame-retardant resins, especially with low rust formation during storage. 特性:高抗蚀镜面模具钢;硬度:预硬30-36HRC