Precautions for steel plate profiled cutting during welding

Steel plate special-shaped cutting in welding matters needing attention:
first of all, we should pay attention to the cleaning of steel plate special-shaped cutting welding workplace, there can be no flammable, explosive, take shelter measures; Carefully check whether the wiring of the welding machine meets the requirements, the quality of the wire is easy to cause accidents, so it must not be taken lightly; It is necessary to check the base material of special-shaped steel pipe before welding, because it is directly related to the welding effect. Important welded structures should be cleaned by chemical cleaning. It can simply use acetone or caustic acid to clean the water, oil, high melting point oxide film, oxide and other pollutants on its surface.