parallel twin screw and barrel products

Specifications, 1.Depth of nitriding:0.6mm-0.8mm, 2.Hardness of nitriding: HV850deg-1020deg, 3 .Hardness of bimetallic: HRC55 - details see: https://www.machineto.com/parallel-twin-screw-and-barrel-products-10335028
Place of Origin:Zhejiang China (Mainland)Brand Name:jjscrewModel Number:jjscrew 
parallel twin screw and barrel products
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APPLICATION:

Parallel twin screw and barrel for extruder

Size:

Φ15/2~Φ250/2 L/D 18~35

For PVC,PP,PE...

Screw can be designed according to different raw material and products,or according to all your requirements.

Material:
1>38CrMoAlA(JIS SACM645)
2>42CrMo(JIS SCM 440)
3>9Cr18Mov
4>CW6Mo5Cr4V2

5>SKD61

The head of the screw and the barrel is bimetallic.

TECHNICAL DATA:

Depth of nitration case:0.4-0.7mm

Hardness of nitration:HV850-1020(HRc55°-62°)

Roughness of surface:Ra 0.4um

Screw straightness:0.015mm/m

Chrome plating thickness:0.03-0.8mm

Bimetal coating thickness:1.5-2.0mm

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parallel twin screw and barrel products
Packaging Detail:wood
Delivery Detail:25days

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