Product Description

Product name: the parallel twin-screws and barrel for extrude machine

• Screw Diameter: Φ*5mm-Φ**0mm
• Material: *8CrMoAlA; 9Crl8MoV; *2 CrMoV; high quality alloy steel. tunsen alloy,Cobalt base alloys and stainless steel and so on.
• 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 

Heat treatment

· Nitriding treatment

· Electroplated hard chromium coating

· Spray coating anticorrosion

· Wear resistant bimetallic coating

Process

· Laser Coating Tungsten Carbide

· PTA Melt-Welding Alloy

· Centrifugal Mould Bimetallic Alloy

· Advanced nitrogen oozes handicraft

· Vacuum Quenching

· Titanizing

· Nickel Plating

· Chorme Plating
Our products can ensure high performance and low energy consumption of extruder and Injection molding machine.

more over, we can supply professional screw and barrel to your order!