SINGLE SCREW FOR PLASTIC MACHINERY
Specifications
single screw for plastic machinery1.High Quliaty Base Material
2.Nitriding Depth:0.6~0.8mm
3.wear-resisting
Product name: screw barrel for plastic machinery
Characteristics: wear-resisting, corrosion-resisting
Material:38CrMoAlA,high quality alloy steel,etc
Technology:nitriding treatment,alloy coating sparying,heat-treatment,etc
Appliance:PE,PVC,PP, ABS, LCP PS,etc
Technical Parameters:
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
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
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