Feed Screw Rubber Screw Barrel
Product Description
Feed Screw, rubber machine screw barrel, bimetallic screw barrel, high wearing resistant screw barrel, plastic extrusion screw barrel
Screw Diameter: Φ 10mm-Φ 300mm
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
Feed Screw Rubber Screw Barrel offered by Ningbo Jinyi Precision Machinery Co. Ltd.