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rubber extruder screw barrel
1,Corrosion and heat resistance ,durable
2,Precise equipment
3,SACM645. 38CrMoALA
rubber extruder screw barrel
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
