Technical Targets

 

Depth of nitration case: 0.5-0.8mm

Hardness of nitration: 950-1020Hv

Fragility of nitration: Less than grade 1

Roughness of the surface: Ra 04um

Linearity of the screw: 0.015mm

Hardness of double alloys: HR55-62

Depth of double alloys: More than 2mm

 

Materials and processes

 

Quality 38CrMoAIA

Quality twin-phase stainless

Quality satellite powder of surface spray

Cold alloys hot alloys

Advanced nitrating technology

Process of hot sprayed hard alloys

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 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.

 

If you are looking for a reliable screw and barrel supplier, we will be your best choice. If you want to know more details, please contact us.