We are speciaized in manufacturing and rebuilding screw of every type and size: Extruder Screw,Injection Molding Screw,Blow Molding screw and barrel
Twin Screw & Barrel
Terms of Payment: 50% T/T in advance
Packaging: wooden case
1. Material: 38CrMoAI A
2. Base material: 38CrMoAI A, Special alloy is welded on the flight of screw, prolong life of screw.
3. Easy wearing parts of barrel made from anti-wear alloy can be improved abrasion performance.
3. Technical parameter:
1): Depth of Nitration Layer: 0.5-0.8mm
2): Hardness of Nitration: 900-1000HV
3): Fragility of Nitration: Less than grade 1
4): Roughness of the surface: Ra0.4
5): Straightness of the screw: 0.015mm
6): Surface hardness of Nitrated Cr coating Layer: >=950Hv
7): The thickness of Chrome-plating layer: 0.025-0.085mm
8): Depth of alloy Layer: >2m.
Conical twin screw barrel
