HEXIN MACHINERY , producer of heat resistant castings

  furnace rolls ready for d i spatch :      Qingdao hexing machinery co., LTD has many years of technology accumulation and mature technology in the process of producing the furnace roller. According to different working conditions, we adopt the corresponding alloy material production furnace roll , we strictly control the quality inspection according to quality system, with export custom cases for furnace roll packing transportation. We can ensure product quality and win the trust of customers. Horizontal furnace annealing furnace roller , Vertical annealing furnace furnace roller:     Used for continuous annealing line and galvanizing line horizontal annealing furnace, under the hydrogen nitrogen protective environment, the furnace temperature is about 700 ℃ --1000 ℃， to complete heat treatment process by transporting lenient plate with even rapid ， the diameter is 100--500mm,centrifugal casting for roll body, precision casting for journal and...

  furnace rolls ready for d i spatch :      Qingdao hexing machinery co., LTD is   engaged in developing precision casting of f urnace hearth roller   our technology is mature, we set up effective quality management system, and have   mature produc ing   technology, our production is suitable for general tubes, pipe, annealing treatment, solid fusion processing, etc   of stainless   and alloy   steel pipe . Thick  plate heat treatment furnace roll are usually used for n ormalizing 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: ZG40Cr25Ni20Si2 、 ZG14Ni32Cr20N...