Model NO.: GMT-Screw
Nitrided Depth: 0.5-0.8mm
Surface Roughness: <=Ra0.4
Trademark: GMT
Transport Package: AA Wooden Case
Specification: Customize
Origin: China
HS Code: 84779000
Model NO.: GMT-Screw
Nitrided Depth: 0.5-0.8mm
Surface Roughness: <=Ra0.4
Trademark: GMT
Transport Package: AA Wooden Case
Specification: Customize
Origin: China
HS Code: 84779000
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine
Technical Information for extruder machine single screw barrel
Main Base materials 1.38CrMoAlA (SACM645) Main Alloy Materials 1. 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 Technics 1. Heat treatment Technical parameters Nitriding layer depth:0.5-0.8mm
2. Quenching Nitrided hardness:900-1000HV
3. Nitriding treatment Bimetallic layer depth:3 mm
4. Bimetallic alloy welding for screw Bimetallic hardness:57~69HRC
5. Bimetallic alloy centrifugal casting for barrel Hard-chrome plating hardness after nitriding:≥950HV
6. Hard-chrome electroplating Chrome-plating layer depth:0.03-0.09mm
Linearity of screw:0.015mm Surface roughness:Ra 0.4

Screw types:
Gradual change, chop, barrier, distributary, separate, air exhausting, pin, mixing and etc.
For good plasticizing effect, we have different design of screw barrel to meet customer's demand.

Specification :
Dia  20mm-250mm; L/D=15-45

Scope of Application:
1. Generally plastic material
2. Pipe/ Profile/ Sheet/Pelletizing
3. WPC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU,PE etc
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

Treatment:
Nitrized, Chrome coating, Quenching, Bimetallic
We are foucs on each process to make sure each screw barrel is qualified according to technical requirement. 
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

Packaging Details:
1. Be brushed anti-corrosive oil on extruder machine single screw. 
2. Packed with film. 
3. Packed in the AA wooden.
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine


Please provide samples or requirements about dimensions and tolerances of , semi-finished and finished products, the equipment, the monthlly comsumption quantity, the current screw and barrel you are using, HRC and so on.
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

For more information, please kindly contact as below:
Mobile: 0086-13917356326 38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine
Technical Information for extruder machine single screw barrel
Main Base materials 1.38CrMoAlA (SACM645) Main Alloy Materials 1. 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 Technics 1. Heat treatment Technical parameters Nitriding layer depth:0.5-0.8mm
2. Quenching Nitrided hardness:900-1000HV
3. Nitriding treatment Bimetallic layer depth:3 mm
4. Bimetallic alloy welding for screw Bimetallic hardness:57~69HRC
5. Bimetallic alloy centrifugal casting for barrel Hard-chrome plating hardness after nitriding:≥950HV
6. Hard-chrome electroplating Chrome-plating layer depth:0.03-0.09mm
Linearity of screw:0.015mm Surface roughness:Ra 0.4

Screw types:
Gradual change, chop, barrier, distributary, separate, air exhausting, pin, mixing and etc.
For good plasticizing effect, we have different design of screw barrel to meet customer's demand.

Specification :
Dia  20mm-250mm; L/D=15-45

Scope of Application:
1. Generally plastic material
2. Pipe/ Profile/ Sheet/Pelletizing
3. WPC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU,PE etc
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

Treatment:
Nitrized, Chrome coating, Quenching, Bimetallic
We are foucs on each process to make sure each screw barrel is qualified according to technical requirement. 
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

Packaging Details:
1. Be brushed anti-corrosive oil on extruder machine single screw. 
2. Packed with film. 
3. Packed in the AA wooden.
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine


Please provide samples or requirements about dimensions and tolerances of , semi-finished and finished products, the equipment, the monthlly comsumption quantity, the current screw and barrel you are using, HRC and so on.
38crmoala Nitrided Single Screw and Barrel for PVC WPC Extrusion Machine

For more information, please kindly contact as below:
Mobile: 0086-13917356326

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