Bimetallic Conical Twin Screw Barrel for Extruder Parts 

The bimetallic conical twin screw cylinder is widely used in industries such as plastics, rubber, and chemical industry, especially suitable for the treatment of high viscosity, high temperature, and high viscosity materials. It has important applications in industries such as rubber products, plastic products, and chemical fiber products. Technical Specification Hardness After Hardening & Tempering: HB280-320 Nitrided Hardness: HV900-1050 Nitrided Case Depth: 0.50-0.80mm Nitrided Brittleness: Less than Grade 2 Surface Roughness: RA 0.4 Screw Straightness: 0.015mm Surface Chromium-Plating's Hardness After Nitriding: ≥ 900HV Chromium-Plating Depth: 0.025-0.10mm Alloy Hardness: HRC55-65…