Single Extrusion Screw Barrel

Place of Origin:Zhejiang,China

Brand Name:JED

Material:38CrMoAlA

Process:nitriding & bimetallic

Nitrided Hardness:HV900-HV1000

Nitrided Case Depth:0.45-0.8mm

Nitrided Brittleness:Less than Grade 2

Surface Roughness:Ra 0.4

Screw Straightness:R0.015mm

Length diameter ratio：1: (33-38)

bimetallic ：alloy layer 2-2.5