• Model NO.：screw barrel for extruder
• Place of Origin：Zhejiang China
• Tempering Hardness：240-280hv
• Depth of Nitrogen Layer：0.6-0.8mm
• Hardness of Nitrogen Treatment：900-1100hv
• Quality Control：Test Before Delivery
• Transport Package：Wood Box
• Specification：CE SGS BV TUV
• Trademark：pym
• Origin：Ruian
• HS Code：8477900000
• Production Capacity：1000,Month

Basic Info.

Model NO. screw barrel for extruder Place of Origin Zhejiang China Tempering Hardness 240-280hv Depth of Nitrogen Layer 0.6-0.8mm Hardness of Nitrogen Treatment 900-1100hv Quality Control Test Before Delivery Transport Package Wood Box Specification CE SGS BV TUV Trademark pym Origin Ruian HS Code 8477900000 Production Capacity 1000/Month

Product Description

Screw barrel on 38crmoalal for PP, PE pelletizer and recycling machine
Size: Screw diameter: Φ 20-Φ 500mm
Maximum screw length: 10000mm
Barrel inner bore diameter: Φ 500mm

Material: 38CrMoAlA
40CrMo
42CrMo
High quality alloy steel

Technology: Nitriding treatment,
Alloy coating spraying,
Heating treatment,
Screw fully hardening

Bimetallic screw and barrel
Depth of nitrition layer: 0.6-0.8mm
Nitriding treatment, surface hardness: HV≥ 900-1100
Fragility of nitrition: Less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015mm
Depth of bimetallic layer>2mm
Hardness of alloy plating: HRC62-67
Used for granulation, PP, PE, PA, PC, ABS, AS etc
We can manufacture various kinds of screw barrels according to the customer's requirement


What is the packaging?
1) Wooden case package
2) Plastic film package
3) Suitable to transportation
4) As buyer request
5) One piece into one package
Payment: T/T, Western union, moneyGram and so on.


Our office:

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.

1.     We have long history and experience working in the field

2.     We have the most advanced equipments and technique in our industry

3.     We have professional engineers and staffs

4.     We have 100% quality ensure system and 24hours after-sale service system

5.     We own two lands of workshop, covering 5000cbms.