... :38CrMoAIA,SKD61 3.Suit for pvc pipe,film,sheet,cable.. 4.Long worklife Single Screw Barrel for Injection moulding machine Diameter30mm-250mmMin.Order1 setMaterials38CrMoAIA42CrMo ... (JIS SCM440)9Cr18MoVCW6Mo5Cr4V2SKD11,61GH113Discount AvailableApplicationABS,PP,PA66,LCP,PC,EVA,PS,U-PVC,PVC,PU ...