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Conical-Twin Screw and Barrel

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Condition : New Warranty: YES
Country of shipping : China
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Product Specification

Brand Zhoushan Batten Import and Export
Condition New
Warranty YES

Product Description


Size: φ45/90~φ92/188 (Screw structure and compression ratio can be designed according to different material and products)
Model: KMD, Cincinnati, Battenfeld, Weber

Technical Parameter:
Quenching and Tempering Hardness:HB280-320
Nitriding Hardness:HV850-1000
Nitriding Depth :0.45~0.7mm
Nitridng Brittleness: 2nd Level
Surface Roughness:≤Ra0.4
Screw Straightness:0.015mm
Nitrided Chromium Coating Surface Hardness≥900HV
Chromium Coating Thickness :0.025~0.10mm
Duplex Alloy Hardness:HRC50-65
Duplex Alloy Depth:0.8~2.0mm

Materials:
Quality 38CrMoAIA (41CrAIMo7)
40Cr

Technologies:
Advanced Nitriding Technology
Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology
Quality Powder Metallurgy Materials
Hard Metal Cold/Thermal Spraying Technology

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