| Base materials | 1)38CrMoAlA (JIS SACM645) 2)42CrMo (AISI 4140) |
| 3)4Cr5MoSi V1 (JIS SKD-61) 4)DC53 (JIS G4404) |
| 5)Cr12MoV (SKD11) 6)9Cr18MoV |
| Bimetallic alloy materials | 1)Ni-based alloy/Deloro alloy 2)Fe-based alloy |
| 3)Co-based alloy 4)NiCo-based alloy |
| 5)Tungsten carbide/Wolfram carbide |
| Processing technics | Heat treatment |
| High-frequency quenching |
| Nitriding treatment |
| Bimetallic alloy welding |
| Bimetallic alloy centrifugal casting |
| Hard-chrome electroplating |
| Technical parameters | Nitriding layer depth | 0.5-0.8mm |
| Nitrided Hardness | 900-1000HV (HRC 55-65) |
| Nitrided brittleness | Less than grade 1 |
| Surface roughness | Ra 0.4 |
| Linearity of screw | 0.015mm |
| Hard-chrome plating hardness after nitriding | ≥950HV |
| Chrome-plating layer depth | 0.03-0.1mm |
| Bimetallic layer depth | 3 mm |
| Bimetallic layer hardness | HRC 55-70 |
| Products Application | 1)General Plastics, PVC |
| 2)Material compounds CACO3, glass fiber, recycle materials, stabilizer |
| 3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc |
| 4)Scrap and waste plastic and PVC recycling |
| 5)Modified engineering plastics |
| Terms and Conditions | Means of transport: Ocean,Air,Express |
| Production time:About 20-30 days after we receive the advanced payment |
