... Material: 38CrMoAlA; SKD61; SKD11.etc. screw barrel for plastic injection moulding machine We ,Lucheng screw Machinery Factory, is ... , PP, PVC, PS, ABS, PA, POM, PC, PSV, PTFE, PR, UP, PEC, PF, VF, MP, PMMA, PET, PBT, PPS, ... heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth of Nitrated Layer: 0.5-0.8mmHardness of ... Barrel : Nitrided 38CrMoAlA screw and barrel for injection molding machine