Min. Order: | 1 Set/Sets |
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Payment Terms: | L/C, T/T, WU |
Supply Ability: | 300 sets/month |
Place of Origin: | Zhejiang |
Location: | Zhoushan, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Nitrided Feed Screw Barrel, Extrusion Screw And Barrel, Bimetallic Screws And Barrel, Twin Screw And Cylinder, Parallel Twin Screw Barrel |
Model No.: | QY-S001 |
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Means of Transport: | Ocean, Air, Land |
Brand Name: | QunYing |
Power: | 4-150KW |
conical twin screw barrels: | conical twin screw barrels |
Hardness of nitride layer: | HV850-1000 |
material: | 38CrMoAlA(JIS SACM645) |
Nitrided Brittleness: | Less Than Grade 2 |
Nitrided Case Depth: | 0.45-0.7mm |
treatment 2: | Nitriding treatment |
Surface Roughness: | Ra0.4 |
treatment: | high-frequency quenching |
treatment 5: | spraying corrosion wear-resisting dual metal layers |
Screw Straihgtness: | 0.015mm |
Production Capacity: | 300 sets/month |
Packing: | wooden case(export standard) |
Delivery Date: | within 25 days after order confirmed |
Technical Parameter |
Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB38CrMoAlA |
Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
Hardness of Nitriding | HV900 - HV1,000 |
Nitriding Brittleness | ≤Grade 1 |
Chromate plating | Thickness 0.05 mm - 0.10 mm, hardnessHV950 |
Special treatment | Carbide coating on screw flight and bimetallicbarrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra0.4μm |