Batten MD-72 parallel twin screw for extruder machine PVC pipe

Batten MD-72 parallel twin screw for extruder machine PVC pipe

Specification

PX-φ45/2-φ150/2

(Length/Diameter Ratio):L/D=18~40

 

Application

PVC profile(Door & window) / WPC(PVC,PE) / PVC foam board / PVC pipe / PVC compound etc

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

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