nitriding screw barrel
1.38 CrMoALA Material
2.Nitriding Depth:0.5~0.7mm
3.High Quliaty Base Material

nitriding screw barrel

 The screw compressor can be designed according to different products and formulas

Technology index: Depth of nitrition layer: 0.5-0.7mm

Nitriding treatment, surface hardness: HV≥900-1000

Fragility of nitrition: less than grade 1

Surface roughness: Ra 0.4um

Streightness of screw: 0.015mm

Surface of hardness of nitrated Cr coating layer: ≥950HV

Hardness of Cr coating layer: HRC58-62

Thickness of alloy plating: 0.03-0.08mm

Depth of alloy layer:>2mm

Used for granulation,PP, PE, PA, PC, ABS,AS etc

We can manufacture various kinds of screw barrels according to the customer’s requirement