QingDao NPA Industry Co.,Ltd
Heat Treatment Furnace
    • Summary:

      Hearth roller: heat treatment hearth roller mainly used in continuous carburizing and nitriding furnace. The workpiece is rapidly and uniformed transited to carry out the heat treatment process under air protection, the temperature is 550-850 degrees in the furnace. Diameteris 100-200mm. Barrel is centrifugal casting, the shaft head is static casting.
      Common material: ZG40Cr25Ni20Si2

    • Summary:

      Electric radiant tube: the radiant tube of the heat treatment furnace is used for continuous carburizing and nitriding furnace. , The workpiece is rapidly and uniformed transited to be heat-treated under air protection, the temperature is 550-850 degrees in the furnace.
      The diameter is 203mm and 216mm. It generally heated by electric heating.
      Common material: ZG40Cr25Ni20Si2

    • Summary:

      Material loader, material tray: used for continuous carburizing and nitriding furnace. The temperature is 550- 850 degrees in the furnace under air protection. Used as carrier to go through the heat treatment process and enter the next step. It can resist quick heat& cold.
      Common material: ZG40Cr25Ni20Si2

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