mould steel plate 4Cr13/1.2316/S136/420 Plastic mould steel;Specification:20~250*255~610mm, or ... :1).Comparable steel;4Cr13(China GB),1.2316(Germany DIN),S136(Sweden ASSAB),420(USA)2).Specification: 20~250*255~610mm ... .1, Cr=13.5,V=0.3 Hardness: HRC=31~35 Annealed Hardness: HBS≤2294).Material character:Belong to medial carbon ...