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Product Details:
Payment & Shipping Terms:
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| Product: | Screw And Barrel | Straight Of Scre: | 0.015mm |
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| Standard: | ISO9001 | Nitriding Depth: | 0.5-0.8mm |
| Surface Roughness: | Ra0.4μm | Alloy Hardness: | HRC55-62 |
Conical twin screw & barrel depth of nitration layer 0.05-0.08mm
Material
High quality alloy-steel
1) 38CrMoAIA(JIS SACM645)
2) 9Cr18MoV
Heat-Treatment
Nitriding treatment
Spray bimetallic coating
Quideline of technique:
Depth of nitration layer:0.05-0.08mm
Hardness of nitration:900-1000V
Fragility of nitration:less than grand one
Roughness of the surface:Ra0.4
Linearity of the screw:0.015mm/m
The surface hardness of chrom plating after nitrogention:more than 950hv
Chrome-plating layer thickness:0.025-0.085mm
Contact Person: Linda
Tel: +8615601800787
