JIS SUS420/AISI 420 化學成份 CHEMICAL COMPOSITION C(碳) Si(矽) Mn(錳) Cr(鉻) Mo(鉬) Ni(鎳) 0.36 0.40 0.70 16.00 1.20 0.90 出廠硬度 DELIVERY HARDNESS 預硬處理HB260-280 Pre-hardened HB260-280 特征 FEATURES 適合制造PVC,POM塑料產品(如家電、水管、接頭及容器等),或其他腐蝕塑料及普通塑料模具,都不需擔心模具保養問題。 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:高抗蝕鏡面模具鋼;硬度:預硬30-36HRC