Screw and Barrel for Rigid PVC Profiles 

Detail Information For Jwell Extrusion Screw and Barrel for Rigid PVC Profiles: Application: for Jwell extrusion, base material: rigid PVC pellets. Customer's Requirement: good abrasive resistance. Screw's quality: nitriding quality, 38CrMoAlA as base steel. Barrel's quality: nitriding quality, 38CrMoAlA as base steel. 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                               &nb…