... : HRC=50--52 3, HBS<=235 4, Usage: plastic mould, S136 plastic mould steel 1. Size:RoundDiameterLength50mm-600mm2000mm-5800mmSteel plateThicknessWidthLength20-400mm185-2200mm2000mm-5800mm 2 ... on the surface, deal with induration in advance. It can used directly after the mould mould machined, deal with surface induration necessity ... visit our company and make the cooperation! S136 plastic mould steel