Material: 38CrMoAlA; SKD61; SKD11; 40Cr; 42CrMo; High quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heat-treatment
Appliance: PVC, PP, PE, PA, PC, ABS, AS etc
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 |
Grade List
Grade | Steel Material | Processing |
Standard Grade | 38CrMoALA | Nitriding 96 Hours |
Bimetallic Grade | 38CrMoALA | HP/HVOF Spraying |
TC-A Grade | Tungsten Carbide40% | Centrifugal Casting |
TC-B Grade | Tungsten Carbide25% | Centrifugal Casting |
TC-C Grade | Tungsten Carbide10% | Centrifugal Casting |
parallel twin screw for extrusion processing