... ; SKD61; SKD11.etc. screw barrel for plastic injection molding machine We ,Lucheng screw Machinery Factory, is ... exhaust type, combined type, work type, speed type, etc.," is widely used in all ... : 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; high quality alloy steelTechnology: nitriding treatment, alloy coating ... spraying, heat-treatmentAppliance: PVC, PP, PE, PA, PC, ABS, AS etcDepth ...