Products<
Screw Barrel for PVC Extruder
产品介绍
Product Description:
| Steel Material | 38CrMoALA, SKD61, SKD11, D2 etc. |
| Hardness after Heat Treatment | HB240-280 |
| Nitriding Treatment Time | ≥ 96 hours |
| Surface Hardness | 58-64 HRC |
| Nitrided Layer Thickness | 0.5-0.8mm |
| Surface Roughness | Ra0.4 |
| Screw Straightness | 0.015mm |
| Cr-Plated Surface Hardness after Nitriding | ≥ 900HB |
| Chromium-Plating Layer Thickness | 0.05-0.10 mm |
| Bimetallic Layer Hardness | 58-65 HRC |
| Depth of Bimetallic Layer | 0.8-2.0 mm |
