4Cr13 plastic mould steel(sus 420 j2 ) 1) LF+EF+VD,or ESR 2) lathed, ... fixed length 4Cr13 plastic mould steel(sus 420 j2 )Features:1). Grade: 4Cr13(420,1.2316,S136,SUS420) plastic mould steel2 ... ). Specification: 120~305*120~710mm, or customers requestments3). Chemical composition: C=0.36 ... mould, like: PVC mould 4Cr13 plastic mould steel(sus 420 j2 )