China Screw Barrel for PE PVC Extruder

Extruder screw and barrel for plastic extruder
Material: 38CrMoAIA 40CrMo 42CrMo high quality alloy steel
Technology: Nitriding treatment, alloy coating spraying, heating treating, screw fully hardening.
Depth of nitrition layer: 0.5-0.8mm
Nitriding treatment surface hardness: HV>=900-1000
Fragility of nitrition: Less and grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015mm
Surface of hardness of nitrated Cr Coating layer: >=950HV
Hardness of Cr coating layer: HRC55-62
Thickness of alloy plating: 0.03-0.08mm
Depth of alloy layer: 2mm
We could manufacture various kinds of screw barrels according o the customer's requirement.
Our service:
1.24-Hour service
2. Have more than 1 year guarantee
3. Technical support and factory visit support
about us:
1 Our Strength: We have an experience of more than 20 years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design, enhancing service and after service.
2 Our products: Screws Barrels for Injection, Extrusion, and Blow Molding applications; Relevant accessories(such as die head, gearbox, filter screen changer and so on); Plastic processing machinery.
3 Location advantage: Located in -Ruian Town in Wenzhou City, near to Ningbo Port and Shanghai Port.
4 Market areas: Global sales network reaching South America, Eastern Europe, Southeast Asia, Africa, Oceania and the Middle East etc. Welcome to visit our company.
Have any questions, pls feel free to contact us!