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Extruder screw barrel technical indicators
Author:admin  From:the Internet  Time:2014-12-28 10:37:24  Click:4306

Technical Specifications:

Material selection of high-quality aluminum chromium molybdenum 38 (38CrMOALA) quenched hardness: HB240 ~ 280

Nitriding hardness: HV≥850

Nitriding depth: 0.45 ~ 0.80mm

Nitride brittleness: ≤ two

Surface roughness: Ra0.4

Screw straightness: 0.015mm

Hard chrome plated surface after nitriding degree: HV≥900

Chrome plating thickness: 0.03 ~ 0.10mm

Dual alloy hardness: HRC56 ~ 65 (alloy nickel-based alloys)

Alloy Depth: 1.2 ~ 3.0mm

 

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