HEXIN MACHINERY , producer of heat resistant castings

 The alloy steel castings produced by HEXIN Machinery have good surface quality, high dimensional accuracy, and no slag inclusions, sand holes,  shrinkage holes, cracks and other conventional casting defects, major products for petrochemical industry like: Centrifugal cast tubes, cast tube sheets, convection intermediate tube supports, hooks, tube sheets brackets and hangers, various furnace doors/peep doors or observation doors,  air preheaters, flue baffles, butterfly valves, quick-opening dampers, compensators, flue duct systems, etc. The furnace hooks are used to hang furnace tubes in heating furnaces.  They are used in high-temperature working conditions. The material has high temperature resistance like ASTM A351 Gr.HK40. The draw tube sheet hanger is used to fix the furnace tube in the heating furnace and is installed on the side wall of the heating furnace.  It is produced by static casting process. The material has high temperature resistance. The gene...

 HEXIN Machinery now has full capability sand casting , centrifugal casting , precision casting , machining, riveting, heat treatment, assembly and other main workshops,  After years of development in the production of heating furnace accessories (heat-resistant steel castings),  it has provided complete sets of heating furnaces and waste heat recovery systems, as well as centrifugal casting alloy furnace tubes, radiant tubes, steam reformer tubes, steam reformer cold  headers, steam reformer inlet pigtails in Incoloy800H,Wye fittings, reducers, plug headers,and sharp bends for many refining and chemical projects of PetroChina, Sinopec, CNOOC and Sinochem.  Rich performance and experience, quality and technical ability. Especially the large-scale heat-resistant alloy steel castings with large size, high grade and complex structure have extremely obvious advantages in technology and experience. Centrifugal cast tubes, cast tube sheets, convection intermediate tu...

  Radiant cast tube support     This batch of tube plate is made for some foreign customers in 2013, the material is 2520, it has been processed and inspected, we are waiting for container shipment after the customers accept. QINGDAO HEXIN MACHINERY specialize in the production of petrochemical tubular heating furnace parts. Our general products are cast intermediate tube plate , both ends tube sheet , hangers , brackets, hooks, pipe rack , retractors , all kinds of furnace doors and heat-resistant alloys steel casting design, processing and production. Tube sheet material and specification model are based on user’s technical requirements,which are used in tubular heating furnace, for convection chamber furnace tube support positioning. Based on 30 years of experience in casting tube sheet , our tube sheet maximum size is, the maximum single weight up to 6 tons . Commonly used material is 1.4848, 1.4852 , CO50 .. The quality of tube sheets produced by HEXIN MACHINERY...