Specifications
1 Nitrided Hardness : HV950~1000
2 Nitrided Case Depth : 0.55~0.7mm
3 Nitrided Brittleness :Less Than Grade 1

 

Technical Specification
1 Hardness after Hardending & Tempering: HB240~280
2 Nitrided Hardness: HV900~950
3 Nitrided Case Depth: 0.55~0.7mm
4 Nitrided Brittleness :Less Than Grade 1
5 Surface Roughness :Ra 0.4
6 Surface Chromium-Plating’s Hardness after Nitriding≥900HB
7 Chromium –plating Depth: 0.05~0.10mm

8 Material & Processes
9 Quality 38CrMoALA
10 GH3#Steel
11 Quality Powder Metallurgy Raw Materials
12 Cold/Thermal Spray Hard Metal Process
13 Advanced nitriding Process
14 Corrosion & Abrasion Resistance Bimetal Spraying Process

JIAWEI SCREW is a professional designer and manufacturer for all kinds of screws and barrels. We have rich export experience, know very well of different screw designs of world famous machine brands. Customers in 30 countries are approved our products with good quality and moderate pricing.

We have outstanding theoretical background and practical experience, providing optimum designs of screws and barrels for our customers.