In fact, before using Jinan square tube, one thing that must be done is to remove the oil stain or dust on the surface, which is also for the sake of the construction quality in the future. So what else should we pay attention to? The following section explains for you.
Be careful not to hurt your fingers when processing square tubes.
Square tubes shall be stored in dry warehouses.
Avoid contact with acid, alkali and other chemicals to prevent corrosion, deterioration and rust.
Pay attention to safety in the process of loading, unloading, transportation and storage, and stop rolling, bumping and heavy pressure.
It is prohibited to conduct electric welding directly on the surface of square tube.
Workpieces with severe deformation shall be returned to the factory for repair in time.
The packing requirements of steel pipes are generally large inner diameter, small wall thickness, and intact packaging and marks.
Precautions for use of square tube:
a. Galvanized steel pipes should not be stored in the open air for a long time;
b. Pay attention to maintenance at the construction site or indoors;
c. Pay attention to protect the welding groove from damage;
d. Generally, sleeper or strip stone shall be laid under the access road for the 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 protect the surface of the pipeline from rain wash.
g. When galvanized steel pipe is used for geothermal heating, its insulation layer thickness shall not be less than 50mm.
h. When other methods are used to protect the pipeline from corrosion, corresponding measures shall be taken according to the design requirements.
i. When the pipeline needs to cross roads, railways or other public channels, protective facilities shall be provided.
k. When flange connectors are used to connect pipes, gaskets with good sealing performance shall be selected.
l. After the installation of galvanized steel pipe, anti-corrosion treatment shall be carried out at the interface.
What should you pay attention to during the use of square tubes? These are the answers to the questions. For more information, please come to our website Ask and understand!