Bimetallic screw and barrel
Processing application: injection molding machine, extrusion machine, Bakelite machine
Processing range: inner diameterФ18mm ~ 400mm
Maximum length: 5000mm
Raw Material : 9Cr18MoV W6MoCr4V2 38CrMoAIA
Surface treatment : Surface spray , Quenching Treatment
Surface roughness: Ra0.4μm
Surface hardness: 900-1050Hv 58-64HRc
Range of plastic application: all kinds of glass fiber, the PPA, PPS, PA6T, LCP, electric wood powder, magnetic powder, iron powder and other special engineering plastics.

Technical Parameters:

1. Nitride Depth: 0.5-0.8mm
2. Nitride Hardness: 950-1020HV
3. Surface Roughness: Ra≤0.4um
4. Screw Straightness: 0.015mm
5. Bimetallic Hardness: HRC50-65
6. Bimetallic Depth: 1.5-2.0mm