the conical double screws and barrel for extruder

الوصف

Product name: Double /twin Screws and barrels for Plastic Injection Molding Machinery

Screw Diameter: Φ*5mm-Φ**0mm

The listing diameter for the screw and barrel are as following:
Ø*5/*0,Ø*5/**0,Ø*0/**5,Ø*1/**5
Ø*5/**0,Ø*0/**5,Ø*5/**0,Ø*5/**2,
Ø*8/**3,Ø*0/**0,Ø*5/**0,Ø*0/**3,
Ø*0/**6,Ø*2/**8

Material: 

1, *8CrMoALA(JIS SACM**5)
2, *2CMo(JIS SCM**0)
3, 9Cr*8MoV
4, CW6Mo5Cr4V2
5.high quality alloy steel

Technology:
nitriding treatment,Sprey conating Bimetallic , heat-treatment

Appliance: PP, PE, PA, PVC, PC, ABS, AS etc

Technical Index (*0g*****0g):

Depth of Nitrated Layer: 0.**0.8mm

Hardness of nitration: *******0Hv

Fragility of nitration: Less than grade 1

Surface Hardness of Nitrated Cr coating layer: ≥**0Hv

Hardness of Bimetallic Layer: HRC*5°**2°

Thickness of Cr-coating Layer: 0.***0.*8mm

Depth of Bimetallic Layer: >2mm