Screw and Barrel 1.38 CrMoALA Material 2.Nitriding Depth:0.5~0.7mm 3.High Quliaty, precision and rigidity

1. We can manufacture all types of screws and barrels according to clients' requirement.

size:

screw diameter:Φ20-Φ500mmMaximum screw length:10000mmBarrel inner bore diameter:Φ500mm

2.Technology:nitriding treatment ,alloy coating spraying, heat-treatment applied

3. Technical parameter:

 

Material	38CrMoAIA,42CrMo,alloy powder
Nitride depth	0.7mm
Surface hardness	HV950 - HV1,020
Fragility of nitrition	less than grade 1
Screw straight tolerance	0.015 mm/m
Surface roughness	Ra 0.4μm
Linearity of the screw	0.015mm
Depth of double alloys	> 2ram
Bimetallic layer depth	3mm

Single/Twin Screw and Barrel