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screw and barrel
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Specifications:

Product name: Screws and barrels for Plastic Injection Molding Machinery

Screw Diameter: Φ10mm-Φ300mm

Material: 38CrMoAlA;   SKD61;  SKD11;  40Cr;  42CrMo;  high quality alloy steel

Technology: nitriding treatment, alloy coating spraying, heat-treatment

Appliance: PVC, PP, PE, PA, PC, ABS, AS etc

 

Technical Index (30g-25000g): 

Depth of Nitrated Layer: 0.5-0.8mm

Hardness of nitration: 900-1020Hv

Fragility of nitration: Less than grade 1

Surface Hardness of Nitrated Cr coating layer: ≥950Hv

Hardness of Bimetallic Layer: HRC55°-72°

Thickness of Cr-coating Layer: 0.03-0.08mm

Depth of Bimetallic Layer: >2mm

 


screw and barrel
 
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