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Screw for Injection Machine

产品介绍

Bimetallic Grade: 38crmoala + Bimetallic Alloy
Standard Grade: 38crmoala + Nitriding 140 Hours
Diameter of Screw: D12-D300 mm
L/D Ratio of Screw: 10-50
Nitriding Layer Depth: 0.5-0.8 mm
Nitriding Layer Hardness: 950-1020Hv
Nitriding Fragility: Less Than Grade Two
Surface Roughness: Ra 0.4um
Cr-Plating Layer Hardness: 850 Hv
Cr-Plating Layer Depth: 0.03-0.08 mm

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