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  • TianyangSteelTube
    TianyangSteelTube created a new blog entry
    on November 10 2022 at 02:19 AM Edited public
    The working principle of seamless steel tube annealing furnace
    For the manufacture of seamless steel tubes, the corresponding annealing treatment must be carried out after each cold drawing. Purpose of annealing: 1. Reduce hardness and improve...
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