extrusion screw
1,Corrosion and heat resistance ,durable
2,Precise equipment
3,SACM645. 38CrMoALA
4,High quality alloy steel

extrusion screw

Material

1.SACM645

2.38CrMoALA

Process

1. 85 hours nitriding heatment in vacuum

2. Electroplated hard chromium coating

3. High-frequency quenching

4. Spray conating bimetallic-alloy

Specifications

1.Material:SACM645, 38CrMoALA

2.High quality alloy steel

3.Nitriding depth:0.5mm~0.75mm

4.Nitriding hardness:HV950~HV1100

5.Application:Plastics like PP. PE. ABS. AS. PS. PU. TPU. EVA etc.

6.Straight tolerance:0.015mm/m

Our company can produce screw and barrel according to every customer\'s drawing and need