PVC ABS plastic extrusion bimetallic rotating screw barrel

Product Description Screw name :    HDPE PVC ABS plastic extrusion bimetallic rotating screw barrel Base Material 1)38CrMoAlA 2)Cr12MOV3)4Cr5MoSiV1 4)42CrMo Bimetallic Alloy Materials 1)Fe-based alloy   2)Ni-based alloy/Deloro alloy  3)Co-based alloy   4)NiCo-based alloy  5)Tungsten carbide/Wolfram carbide  Double-alloy level Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5% Heat Treatment High Frequency Treatment Nitriding treatment(120 Hours) Har…