Gold Member Since 2010
Audited Supplier
Zhangjiagang Chenxing Machinery Co., Ltd.

Screw and Barrel, Twin Screw Barrel, Screw Barrel manufacturer / supplier in China, offering 38crmoaia Conical Twin Screw and Barrel, Diameter 260-318mm PVC Plastic Pipe Making Machine, Pet Bottle Flakes Crushing Washing Drying Production Line and so on.

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38crmoaia Conical Twin Screw and Barrel

Purchase Qty.:
1-4 5+
FOB Unit Price: US $4,500 US $3,200
Purchase Qty. (sets) FOB Unit Price
1-4 US $4,500
5+ US $3,200
Get Latest Price
Port: Shanghai, China
Production Capacity: 3000sets/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: SJZ
  • Technics: Forging
  • Material: Bimetallic
  • Conical Screw and Barrel: Sjz51/65/80/92
  • Nitrided Hardness: 900-1000hv
  • Bimetallic Hardness: 57~69HRC
  • Surface Roughness: Ra 0.4
  • Warranty: 3 Months
  • Transport Package: Wooden Case
  • Origin: Zhangjiagang of China
  • Standard: GB
  • Feature: Extrusion
  • Materials: Bimetallic
  • Nitriding Layer Depth: 0.5-0.8mm
  • Bimetallic Layer Depth: 3 mm
  • Chrome Plating Layer Depth: 0.03-0.09mm
  • Linearity of Screw: 0.015mm
  • Trademark: chenxing
  • Specification: SJZ
  • HS Code: 84779000
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 Barrel
Main Base materials1.38CrMoAlA (SACM645)Main Alloy Materials1. Ni-based alloy/Deloro alloy
2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide
3. 42CrMo (Ultrahigh StrengthSteel)3. NiCo-based alloy
4. DC53 (Cold WorkDie Steel)4. Fe-based alloy
5. W6Mo5Cr4V2 (High-SpeedToolSteel)5. Co-based alloy
Processing Technics1. Heat treatmentTechnical parametersNitriding layer depth:0.5-0.8mm
2. QuenchingNitrided hardness:900-1000HV
3. Nitriding treatmentBimetallic layer depth:3 mm
4. Bimetallic alloy welding for screwBimetallic hardness:57~69HRC
5. Bimetallic alloy centrifugal casting for barrelHard-chrome plating hardness after nitriding:≥950HV
6. Hard-chrome electroplatingChrome-plating layer depth:0.03-0.09mm
Linearity of screw:0.015mmSurface roughness:Ra 0.4

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