950-1020Hv Conical Twin Screw Barrel
1Conical twin screw and barrel
2Material:alloy steel of high quality
3Processed to drawing or buyers request
2Material:alloy steel of high quality
3Processed to drawing or buyers request
Technical Index
Steel Material | 38CrMoALA,SKD61,SKD11,D2 etc. |
Hardness after Hardening & Tempering | HB240-280 |
Nitriding Treatment Time | ≥ 96 hours |
Nitrided Layer Hardness | 950-1020Hv |
Nitrided Layer Thickness | 0.5-0.8mm |
Surface Roughness Degree | Ra0.4um |
Surface Hardness Degree | 58-64 HRC |
Screw Straightness Degree | 0.015mm |
Chromium-Plated Surface Hardness After Nitriding | ≥ 900HB |
Chromium-Plating Layer Thickness | 0.05-0.10mm |
Bimetallic Layer Hardness | 50-65HRC |
Depth Of Alloy Layer | 0.8-2.0mm |
Specifications of standard twin conical screw and barrel
Grade of conical twin screw
Degree of Abrasiveness | Low | Moderate | High |
Screws | Nitrided | Bimetallic Spraying | Tungsten Coated |
Barrels | Nitrided | Bimetallic | Bimetallic |
Extruder conical twin screw barrel
1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.
2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensure the quality of our products.