Bimetallic/Nitriding Screws & Barrels:
1.Quality Material Used
2.Custom Designed
3.Wear-resistant,Durable
4.Prompt Delivery

   Screw,Barrel and Tips for Injection Molding Machine 

       1.Material:38CrMoAlA(Nitriding steel),SKD11,SKD61,high quality alloy steel,etc

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

       3.Application:PE,PVC,PP,etc.

       4.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

        5.Guarantee:Commom Nitrided:1-2years

                                 Bimetallic:much long time