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Extruder screw barrel technical indicators
Author:admin  From:The Internet  Time:2015-7-19 10:37:24  Click:2842

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 fragility: ≤ two
Surface roughness: Ra0.4
Linearity of the screw: 0.015mm
Nitrided Hard chrome plated Degree: HV≥900
Chrome plating thickness: 0.03 ~ 0.10mm
Dual alloy hardness: HRC56 ~ 65 (alloy using nickel-based alloys)
Alloy Depth: 1.2 ~ 3.0mm

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