1.Material:38CrMoAlA(Nitriding steel), SKD11,SKD61,high quality alloy steel,etc
2.Technology:nitriding treatment ,alloy coating spraying, heat-treatment applied
3.Technical Index:
1)Depth of nitrided layer:0.5-0.8mm
2)Hardness of nitration:900-1020Hv
3)Frigility of nitration:Less than Grade 1
4)Surface roughness:Ra. 0.4um
5)Hardness of Cr-coating layer:>=950Hv
6)Thickness of Cr-coating layer:0.03-0.08mm
7)Hardness of Bimetallic layer:HRC55-72
8)Depth of Bimetallic layer:>2mm
4.Guarantee:Commom Nitrided:1-2years
Bimetallic:much long time…
Basic InformationProduct/Service (We Sell): | screw,barrel | |
Brands: | Dongxiang | |
Number of Employees: | 50 - 100 People |
90mm pinned cold-feed screw and barrel