Specifications:
Screw Diameter: Φ10mm-Φ500mm
Length: ≤10000mm
Barrel ID: Φ10mm-Φ500mm
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