Technical Index
Steel Material | 38CrMoALA,SKD61.,D2 etc. |
Hardness after Hardening&Termpering | HB240-280 |
Nitriding Treatment | ≥ 96 hours |
Surface Hardness | 58-64 HRC |
Nitrided layer depth | 0.5-0.8mm |
Surface Roughness | Ra0.4 |
Screw Straightness | 0.015mm |
Chromium-Plated Surface Hardness after nitriding | ≥900HB |
Chromium-Plating Layer Thickness | 0.05-0.10 mm |
Bimetallic Layer Hardness | 50-65 HRC |
Depth of Alloy Layer | 0.8-2.0 mm |
Grade of parallel twin screw
Degree of Abrasiveness | Low | Moderate | High |
Screws | Nitrided | Bimetallic spraying | Tungsten coated |
Barrels | Nitrided | Bimetallic | Bimetallic |
Parallel Twin Barrels and Screws Custom Designed for Your Applications
To provide speed to market and the tightest control over quality, Barrel & Screw manufacturing facility in China mainland. Extensive quality control procedures follow each barrel and screw set from order date through delivery. And, many screws and barrels are stock items available for delivery right off the shelf. We also stocks the heater bands for extruder product lines, so you can order your replacement barrel with or with out them. Your choice!
Injection screw nozzle with flange
