H beam steel structure construction welding process
Welding steel beam adopts gantry automatic submerged arc welding. Beam connection plate ribbed plate adopts manual welding. Using gantry automatic welding shall meet the following two points: (1) After welding, within edge scope of 30-50mm, the rust, burrs, dirt and etc must be clean, in order to reduce welding defects such as porosity factor. (2)…