annealing furnace roller by Qingdao Hexin Machinery Co.,Ltd.

 annealing furnace roller:

    Qingdao hexing machinery co., LTD.has owned rich experience in producing furnace bottom rolls, our company produces furnace bottom roll with diameter 300-400 - mm, rolls with the centrifugal casting, journal bell mouth with precise casting technology, shaft head with forging process.According to different conditions with different alloy material, our productions are of good quality and stable performance.

Thick plate heat treatment furnace roll are usually used for normalizing furnace and hardening furnace, under the hydrogen nitrogen protective environment, Furnace temperature is about 900 ℃to complete heat treatment process by transporting lenient plate with even rapid, the diameter of roller is 300-400mm,centrifugal casting for roll body, precision casting for journal and end bell, forging for shaft head.

   Common used material is: ZG40Cr25Ni20Si2ZG14Ni32Cr20NbZG45Ni48Cr28W5Si2.





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