Building Block Type Screw Barrel

Application: Used for each brand  food extruder, animal food extruder, puffing food extruder

Place of Origin: Zhoushan,Zhejiang,China

Brand Name: JED

Material: 38CrMoAlA

Process: nitriding & bimetallic

Nitrided Hardness: HV960-HV1100

Nitrided Case Depth: 0.45mm-0.8mm

Nitrided Brittleness: Less than Grade 2

Surface Roughness: Ra 0.4

Screw Straightness: R0.015mm

Length diameter ratio: 1: (15-45)

Bimetallic alloy layer:2mm-2.5mm

Product advantages: wear and corrosion resistance, stable extrusion, flexible combination, economical and practical