screw head for blowing molding machine 1.Hardness of nitration: 950-1020Hv 2.Fragility of nitration: Less than grade 1
screw head for blowing molding machine
screw and barrel for different plastic machinery We supply various tyes of screw according to customer's requirement.
Bimetallic screw barrel, spare parts for injection molding machinery
screw barrel,bimetallic screw barrel,extruder screw barrel,screw barrel for injection molding machine,twin screw barrel,screw barrel for extruder machinery,screw barrel for injection molding machinery.
Material:38CrMoAlA,SKD11,SKD61,HPT2B,high quality alloy steel,etc
Technology:nitriding treatment,alloy coating sparying,heat-treatment,etc
Appliance:PE,PVC,PP,etc
Technical index:
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 950-1020Hv Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um Hardness of Cr-coating Layer: ≥950Hv
Thickness of Cr-coated Layer: 0.03-0.08mm
Hardness of Bimetallic Layer: HRC55-72
Depth of Bimetallic Layer: >2mm
screw head for blowing molding machine
