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China Bimetallic Conical Twin Screw Barrel for PVC Pipe Extruder pictures & photos

China Bimetallic Conical Twin Screw Barrel for PVC Pipe Extruder

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Min. Order / Reference FOB Price
1 sets	US $4500.00/ sets

Local Area:	Jian, Jiangxi, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T

Standard:	GB
Technics:	Forging
Feature:	Extrusion

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Product Description

Technical Parameter:
Material: High Quality Of Alloy Steel
1. 38CrMoALA(JIS SACM645)
2. 42CMo(JIS SCM440)
3. 9Cr18MOV
4. CW6Mo5Cr4V2
Products Are Processed By The Following Steps:
Hot Treatment
Nitriding Treatment
Electroplating Hard-chrome layer
Hi-frequency Quenching
Spray Coating Bimetallic Layer Of Corrosion And Abrasion Resistant
Vacuum Quenching
Compressing rate of screw can be designed according to different raw material and products.

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