4Cr13 plastic mould steel(sus 420 j2 ) 1) LF+EF+VD,or ESR 2) lathed,and ... fixed length 4Cr13 plastic mould steel(sus 420 j2 )Features:1). Grade: 4Cr13(420,1.2316,S136,SUS420) plastic mould steel2 ... plastic mould, like: PVC mould 4Cr13 plastic mould steel(sus 420 j2 )