Product Description

Screw Barrel for Extruder Machine 1. Material: *8CrMoAlA (Nitriding steel), SKD*1, SKD*1, 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.**0.8mm 2) Hardness of nitration: *******0Hv 3) Fragility of nitration: Less than Grade 1 4) Surface roughness: Ra. 0.4um 5) Hardness of Cr-coating layer :> =**0Hv 6) Thickness of Cr-coating layer: 0.***0.*8mm 7) Hardness of Bimetallic layer: HRC****2 8) Depth of Bimetallic layer :> 2mm 5. Guarantee: Common Nitrided: **2years Bimetallic: much long time…