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Extrusion Bimetallic Screw Barrel
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Zhoushan Qunying Plastic Machinery Manufactory
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Product description
Extrusion bimetallic screw barrel
For good plasticizing effect,we have different designs of Bimetallic Screw Barrel to meet customer's demand.
Product Parameter
| Product | 50mm Bimetallic Screw Barrel For Extruder |
| Hardness after hardening and tempering | HB260° |
| Nitrided Hardness | HV950°~1000° |
| Nitrided Depth | 0.5 0~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Chromium-plating Depth | 0.05~0.10mm |
| ALLoy Depth | 0.8~2.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy | iron,nickel,tungsten,molybdenum |
| Types of screw | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
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