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      Extruder screw barrel technical indicators
      Author:admin  From:The Internet  Time:2015-7-19 10:37:24  Click:2782

      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 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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