| Brand Name: | shenglong |
|---|---|
| Place of Origin: | China (Mainland) |
| Nitride Case Depth: | 0.5mm-0.8mm |
| Nitride Hardness: | 950-1050HV |
| Nitride Brittleness: | less thanGrade 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
pp high speed single screw and barrel for injection molding machine
Material:
Alloy-steel of high-quality
1)38 CrMoAIA(JIS SACM645)
2)42CrMo(AISI4140)
3)9Cr18MoV
4)CW6Mo5Cr4V2
5)SKD61
Heat-treatment
Nitriding treatment
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
|
Technical Parameter |
| Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA |
| Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
| Hardness of Nitriding | HV900 - HV1,000 |
| Nitriding Brittleness | ≤Grade 1 |
|
Chromate plating |
Thickness 0.05 mm - 0.10 mm, hardness HV950 |
|
Special treatment |
Carbide coating on screw flight and bimetallic barrel |
| Screw straight tolerance | 0.015 mm/m |
| Surface roughness | Ra 0.4μm |