德國進口X28Cr14模具鋼供應 化學成分% C0.25 Si0.30 Mn0.40 Cr14.00 Ni0.60 硬度48-52HRC ------- 耐磨、耐腐蝕、耐酸塑料模具 供應X155CrVMo12.2,40CrMnNiMo8.6.4,X42Cr1..