| Brand Name: | shenglong |
|---|---|
| Place of Origin: | China (Mainland) |
| Nitride Case Depth: | 0.5mm-0.8mm |
| Nitride Hardness: | 950-1050HV |
| Nitride Brittleness:: | less than Grade One |
| Surface Roughness:: | Ra0.4um |
| Screw Straightness: | 0.015mm |
| Alloy Hardness: | HRC58-65 |
| Alloy Depth: | 0.8mm-3.5mm |
| Chromium Coating Thickness:: | 0.025~0.10mm |
Quick Details
Specifications
high output screw and barrel for injection molding machine
Heat-treatment
Nitriding treatment
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
| Depth of Nitrated Layer | 0.5-0.8mm |
| Hardness of nitration | 900-1020Hv |
| Fragility of nitration | Less than grade 1 |
| Surface roughness | Ra 0.4um |
| Hardness of Cr-coating Layer | ≥950Hv |
| Thickness of Cr-coated Layer | 0.03-0.08m |
| Appliance | PVC, PP, PE, PA, PC, ABS, AS etc |
| guarantee period | a year |