Welding 09CrCuSb steel

The common methods for welding 09CrCuSb steel plates are manual tungsten arc welding (TIG) and manual arc welding. Welding needs to choose a low-alloy steel alkaline electrode, its composition is NDS low hydrogen sodium type, and it should be dried before welding. The temperature is 380%, and the time is about 2h. The welding rod can be melted uniformly, with little splash, beautiful shape, easy to remove slag, and the weld has excellent corrosion resistance to the dew point of sulfuric acid.
 
Welding
The 09CrCuSb steel plate has good weldability, and adopts appropriate welding specifications and welding procedures to obtain welded joints that meet the requirements of use. In order to ensure the sulfuric acid dew point corrosion resistance of the steel, it is not only required to have a qualified chemical composition, but also to ensure that the welded joints are free from cracks, undercuts and other defects. The welded joints must undergo *RT inspection.
 
Application
09CrCuSb steel plate is widely used in the manufacture of coal economizers, air preheaters, heat exchangers, evaporators, etc., to resist the corrosion of sulfur-containing flue gas. 09CrCuSb/ND steel plate also has the ability to resist chloride ion corrosion. The products have been widely praised by major oil refineries and manufacturers in China. The low carbon content in steel has achieved good results.