alloy-steel bimetallic screw barrel/screw barrel extruder/extruder screw barrel for upvc pipe
USD $30 - $3,000 /Set
Min.Order:1 Set
Zhoushan Qunying Plastic Machinery Manufactory
conical bimetallic twin screw barrel for plastic extruder machine
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PPR PE PP PVC ABS PS Professional bimetallic screw and barrel/single bimetallic screw barrel
PPR PE PP PVC ABS PS Professional bimetallic screw and barrel/single bimetallic screw and barrel
Technical Parameter |
Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA |
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, hardness HV950 |
Special treatment | Carbide coating on screw flight and bimetallic barrel |
Screw straight tolerance | 0.015 mm/m |
Surface roughness | Ra 0.4μm |
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