• Model NO.：screw barrel
• Computerized：Computerized
• Brand Name：Pym
• Base Material：38crmoaia,42CrMo
• Place of Origin：Zhejiang China
• Tempering Hardness：240-280hv
• Fragility of Nitrition：Less Than Grade 1
• Surface Hardness：Ra 0.4um
• Depth of Nitrogen Layer：0.6-0.8mm
• Straightness of Screw：0.015mm
• Hardness of Alloy：HRC62-72
• Quality Control：Test Before Delivery
• Transport Package：Wooden Box Package
• Specification：CE SGS BV TUV
• Trademark：Yumin
• Origin：China
• HS Code：84779000
• Production Capacity：200 sets per month

Basic Info.

Model NO. screw barrel Computerized Computerized Brand Name Pym Base Material 38crmoaia,42CrMo Place of Origin Zhejiang China Tempering Hardness 240-280hv Fragility of Nitrition Less Than Grade 1 Surface Hardness Ra 0.4um Depth of Nitrogen Layer 0.6-0.8mm Straightness of Screw 0.015mm Hardness of Alloy HRC62-72 Quality Control Test Before Delivery Transport Package Wooden Box Package Specification CE SGS BV TUV Trademark Yumin Origin China HS Code 84779000 Production Capacity 200 sets per month

Product Description

Single screw and barrel for extruders
Main technical parameters:
Screw diameter: ø 20-ø 500mm
Maximum screw length: 10000mm
Barrel inner bore diameter: ø 500mm
Material 38CrMoAlA
40CrMo
42CrMo
High quality alloy steel
Technology: Nitriding treatment
Alloy coating sparying
Heating treatment
Screw fully hardening
Specification: Depth of nitrition layer 0.5-0.8mm
Nitriding treatment, surface hardness: HV≥ 900-1000
Fragility of nitrition: Less than grade 1
Surface roughtness: Ra 0.4um
Surface of hardness of nitrated Cr coating layer ≥ 950HV
Thickness of Cr coating layer: 0.03-0.08mm


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.


FAQ:
Q1: What's your biggest concern?

A: Q------qulity more than 20 years' expierence + professional high technology production
Team + strict product inspection = high qulity

P------price large scale production + full set of independent production = reasonable price

Q2: Guarantee time and after-sale?
A: One year guarantee time, after one year, we have professional after-sales department

More question, pls feel free to contact us!