38CrMoAlA Bimetallic single extruder screw and barrel for plastic machine

Specification

Diameterφ15mm-φ300mm

 Max.Length:≤10000mm

Material:High quality 38CrMoAlA

Process:Advanced nitriding & bimetallic process

Hardness After Hardening & Tempering:HB280-320

Nitrided Hardness:HV900-1000

Nitrided Case Depth:0.45-0.8mm

Nitrided Brittleness:Less than Grade 2

Surface Roughness:Ra 0.4

Screw Straightness:0.015mm

Alloy Hardness:HRC 50-65

Alloy Depth:0.8-2.0mm

Application

Blowing film/Granulation/Wire & Cable/Sheet & Panel and other single screw extrusion products

Features: 
1.Accurate size 
2.Competitive price & quality

3.Wear resisting material
4.Trustable after service