screw barrel, bimetallic screw barrel,twin screw barrel

Tywei Screw series twin screw barrel, twin conical screw barrel, twin parallel screw barrel, double screw barrel, extrusion screw barrel, extruder screw barrel, plastic machinery screw barrel,bimetal screw barrel, bimetallic screw cylinder
Specifications:
Product name: Screws and barrels for Plastic extruder machinery, Injection Molding Machinery
Dimension: D35/75- 92/188mm
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: 950-1020Hv
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
Product classification:

According to different raw materials and products the screw can be chosen: general type, pin type, barrier type, separation type, and gas-exhausting/vented type, etc.
Application: Granules, film, bag, barrel, pipe, profile, plates,sheet, etc.