Specifications

Detailed Product Description

Screw barrel parts

Technical parameter:

1):Depth of Nitration Layer:0.5-0.8mm

2):Hardness of Nitration:900-1000HV

3):Fragility of Nitration:Less than grade 1

4):Roughness of the surface:Ra0.4

5):Straightness of the screw:0.015mm

6):Surface hardness of Nitrated Cr coating Layer:>=950Hv

7):The thickness of Chrome-plating layer:0.025-0.085mm

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TEL:+8615267531305