80mm Bimetallic Screw and Cylinder 

Detail Information For 80mm Bimetallic Screw and Cylinder for LDPE Sheet Extrusion: Application: for LDPE sheet lamination extrusion,  material: Ldpe 7 mfi,nucrel,co polymers,ionomers,pp. Customer's Requirement: good abrasive resistance Screw's quality: bimetallic quality, 38CrMoAlA as base steel, 30% tungsten carbide powder will be added in to alloy layer. Barrel's quality:  OULIN-AR01 bimetal barrel Detail Information For All Single Screw and barrel for Extrusion: Main application: be used in extrusion for film, pipe, recycling, pelleting, sheet, profiles, rod and etc. Specification:  Diameter: Ø20mm-Ø500mm L/D ratio: 15-53 Base material :  SKD61 42CrMo 38CrMoAlA(JIS SACM645) from BAOSTEEL company. Heat treatment: Advance hardening and tempering Nitriding treatment Mid-frequency hardening Technical Parameters: Nitriding depth: 0.50mm-0.80mm               …