Screws and Barrels for Injection Molding Machine
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of Nitration: 900-1020Hv
Fragility of Nitration: Less than grade 1
Surface roughness Ra 0.4um
Surface Hardness of Nitrated Cr-coating Layer: ≥950Hv
Hardness of Bimetallic Layer: HRC55°-72°
Thickness of Cr-coating Layer: 0.03-0.08mm
Depth of Bimetallic Layer: 2mm
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