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China, Chinese Conical Twin Screw PVC Pelletizing/ Pipe/Sheet/Profile Extruder1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Plastic Machinery PartsProfile ExtruderPelletizing
Zhangjiagang Chenxing Machinery Co., Ltd.
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Product Description Detailed PhotosProduct DescriptionTechnical Parameter:Material: High Quality Of Alloy Steel1. 38CrMoALA(JIS SACM645)2. 42CMo(JIS SCM440)3. 9Cr18MOV4. CW6Mo5Cr4V2Products Are Processed By The Following Steps:Hot TreatmentNitriding TreatmentElectroplating Hard-chrome layerHi-frequency QuenchingSpray Coating Bimetallic Layer Of Corrosion And Abrasion ResistantVacuum QuenchingCompressing rate of screw can be designed according to different raw material and products.Product Parameters echnical Information for Extruder Conical Screw and BarrelMain Base materials1.38CrMoAlA (SACM645)Main Alloy Materials1. Ni-based alloy/Deloro alloy2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide3. 42CrMo (Ultrahigh StrengthSteel)3. NiCo-based alloy4. DC53 (Cold WorkDie Steel)4. Fe-based alloy5. W6Mo5Cr4V2 (High-SpeedToolSteel)5. Co-based alloyProcessing Technics1. Heat treatmentTechnical parametersNitriding layer depth:0.5-0.8mm2. QuenchingNitrided hardness:900-1000HV3. Nitriding treatmentBimetallic layer depth:3 mm4. Bimetallic alloy welding for screwBimetallic hardness:57~69HRC5. Bimetallic alloy centrifugal casting for barrelHard-chrome plating hardness after nitriding:≥950HV6. Hard-chrome electroplatingChrome-plating layer depth:0.03-0.09mmLinearity of screw:0.015mmSurface roughness:Ra 0.4
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