... high quality, good service,low price 4Cr13 plastic mould steel(AISI 42055)Features:1). Grade: 4Cr13(420 ... ,1.2316,S136,SUS420) plastic mould steel2). Specification: 120~400*150~800mm, or customers ... 0.36, Si=0.8, Mn=0.5, Cr=13.5 Hardness: HRC=31~35 Annealed Hardness: HBS ... resistance and wear resistance of high quality plastic mould, transparent plastic mould, like: PVC mould5). Payment: L/ ...