Thick-walled steel pipes are widely used in steel products. It directly affects the economic benefits and the lives of personnel. Countries all over the world have attached great importance to the inspection of thick-walled steel pipes and adopted various non-destructive testing (NDT) methods to carry out strict inspections on thick-walled steel pipes. To a certain extent, pay attention to the corresponding maintenance and maintenance during the use of thick-walled steel pipes. In a general sense, a special person should be assigned to inspect the thick-walled steel pipes every day to check whether the poles and backing plates are sinking or loose, whether all the fasteners of the frame body are slippery or loose, and whether the various parts of the frame body are complete and complete; The thick-walled steel pipe foundation should be drained well. After the rain, the foundation of the thick-walled steel pipe frame should be fully inspected. The thick-walled steel pipe foundation shall not be allowed to sink underwater; the construction load of the operating layer shall not exceed 270KG/m2, and the cross rods and cables shall not be supported. The wind rope is fixed on the thick-walled steel pipe. It is strictly forbidden to hang heavy objects on the thick-walled steel pipe; it is strictly forbidden to remove any parts on the thick-walled steel pipe at will; the thick-walled steel pipe should be suspended in the strong wind, heavy fog, heavy rain, and heavy snow. For steel pipe operation, the operation can only be continued after inspection before the resumption of work.