OEM No/Model: Shenglong
conical twin screw barrel
1.Advanced Nitriding Technology
2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy
3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
4.Bi-metallic screw&barrel can be provided for two-three times more lifespan than nitrided screw&barrel.| Diameter | 15mm-350mm | Designing | Screw structure and compressionratio can be designed accordingto different products &different mixtrues. |
| Materials | 38CrMoAlA(JIS SACM645)SKD61 | Application | pvc wpc profile, plate & sheet |
| Nitride Case Depth | 0.5mm-0.8mm | Technology | 1)Longer time Gas Nitriding treatment2)special anti-wear & abrasion alloy (bimetallic)3)tungsten carbide4)cobalt base alloy5)stainless steel6)Gh113 nickel based alloy |
| Nitride Hardness | 950-1020HV | Packing | Wrapped up by film in wooden |
| Nitride Brittleness | Grade One | Payment Term | T/T , L/C |
| Surface Roughness | Ra0.4um | ||
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