55 parallel twin screw barrel

Product Description

The performance for the *5 parallel twin screw barrel are as following:

***Material

1)*8CrMoALA(JIS SACM**5)

2)*2CrMo(JIS SCM**0)

3)9Cr*8MoV
4)CW6Mo5Cr4V2

5)Various high quality alloy steels,According to different usage, the choose for alloy is different, some require for abrasion-resistant while some require for corrsion-resistant. For standard, we have Fe-based, Ni-based, W2C alloy,Tunsten alloy etc for choice.

***Application:

various high glass fiber, mineral fiber and PPA,PPS, PA6T, LCP,VO fire protection, ferrous power, magnetic powder and etc. Meanwhile,Used for PVC + *0% CaCo3, recylced plastic material

***Heat treatment

• Nitriding treatment
• Electroplated hard chromium coating
• Spray coating anticorrosion
• Wear resistant bimetallic coating

***Technical Parameter
Screw Diameter

*5/2

Screw Alignment

0.**5mm

Nitride Brittleness

≤Grade 1

Depth of Nitride Layer

0.5~0.8mm

Hardness of Nitride

HV**0~***0

Quenching and Tempering Hardness 

 HB******0 

Surface Roughness

 0.**5mm

Screw Diameter

*5/2

Screw Alignment

0.**5mm

Nitride Brittleness

≤Grade 1

Depth of Nitride Layer

0.5~0.8mm

Hardness of Nitride

HV**0~***0

Quenching and Tempering Hardness 

 HB******0 

Surface Roughness

 0.**5mm

· Laser Coating Tungsten Carbide

· PTA Melt-Welding Alloy

· Centrifugal Mould Bimetallic Alloy

· Advanced nitrogen oozes handicraft

· Vacuum Quenching

· Titanizing

· Nickel Plating

· Chorme Plating

***Process