SMC/fiberglass moulding1.Material:S50C,2738,H13,S136 2.Cavity Qty: ... :LKM We are specialized in designing and making SMC/fiberglass moulding Product Name SMC/fiberglass mouldingCore & Cavity Steel S50C(45#),40Cr,P20H ... ,718H,2738,5CrNiMo,38CrMoAC,H13,S136HSteel hardness HRC 28--50Molding Way Compresion molding ...