Shunjie cold-formed steel strip You know how to use square tubes
1. Before using the square tube, one thing to do is to remove the oil stain or dust on the surface.
2. When processing square tubes, be careful not to hurt your fingers.
3. Square pipes shall be stored in dry warehouses.
4. Avoid contact with acid, alkali and other chemicals to prevent corrosion, deterioration and rust.
5. Pay attention to safety during loading, unloading, transportation and storage, and stop rolling, bumping and heavy pressure.
6. It is forbidden to conduct electric welding directly on the surface of square pipe.
7. Workpieces with severe deformation shall be returned to the factory for repair in time.
8. The packing requirements of steel pipes are generally large inner diameter, small wall thickness, and intact packaging and marks.
9. Precautions for use of square tube: a Galvanized steel pipes should not be stored in the open for a long time; b. Pay attention to maintenance on the construction site or indoors; c. Pay attention to protecting the welding groove from damage; d. Generally, sleeper or strip stone shall be laid under the access road for installation of galvanized steel pipe; e. The excavation size of pipe trench shall be reserved and recorded according to the drawing requirements. f. After installation, the inspection hole shall be blocked in time and a cover plate shall be added to cover the surface of the pipeline washed by rain. When the galvanized steel pipe is used for geothermal heating, the thickness of its insulation layer shall not be less than 50mm h. When other methods are used to prevent the pipeline from corrosion, corresponding measures shall be taken according to the design requirements When pipelines need to cross roads, railways or other public channels, protective facilities shall be provided When flange connectors are used to connect pipes, gaskets with good sealing performance shall be used After installation of galvanized steel pipe, anti-corrosion treatment shall be carried out at the interface.
