Industry News
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How to prevent decarburization of spiral welded pipe
There is a certain relationship between the service life of the spiral welded pipe and the surface decarburization of the spiral welded pipe. If the surface is decarburized, the strength and wear resistance of the spiral welded pipe will be reduced, which directly affects the ...Read more -
Application of stainless steel pipes in fire-fighting piping systems
The fire-fighting pipeline includes two systems: the fire hydrant system and the water sprinkler system. Stainless steel fire-fighting piping system is a kind of fixed fire-fighting facility widely used in China. Nowadays, 304 stainless steel pipes are used in fire water suppl...Read more -
How to operate thick-walled steel pipes
1. The angle steel and channel steel should be stacked in the open air, that is, the mouth should face down, and the I-beam should be placed vertically. The I-channel surface of the steel should not face upward to avoid water accumulation and rust. 2. There should be a corresp...Read more -
What are the two advantages of steel-plastic composite steel pipes compared with galvanized plastic-lined composite steel pipes
The use of steel-plastic composite steel pipes and galvanized plastic-lined composite steel pipes as drinking water pipes has completely solved the problem of secondary pollution caused by the use of galvanized pipes in the past, which is a revolution in the pipeline industry....Read more -
Classification of anti-corrosion steel pipes for natural gas
Classification of anti-corrosion steel pipes for natural gas 1. IPN8710 anti-corrosion When there are many kinds of corrosive media in the steel pipe, such as acid, alkali, salt, oxidant, and water vapor, the coating must be chemically inert and resistant to acid, alkali, and ...Read more -
What should be paid attention to when welding galvanized steel pipes
The welding of galvanized steel pipe should pay attention to: 1. Galvanized steel pipes with a pipe diameter greater than 100mm should be connected by flanges or ferrule-type special pipe fittings. 2. For the weld between galvanized steel pipe and flange, to ensure the welding...Read more -
Submerged arc steel pipe high-frequency welding process
Submerged arc steel pipe high-frequency welding process introduction: 1. The control of the weld gap: After rolling by multiple rollers, the strip steel is sent to the welded pipe unit. The strip steel is gradually rolled up to form a circular tube blank with an opening gap. A...Read more -
How to prevent decarburization of steel pipes
Once decarburization occurs in the production process of the steel pipe, it will affect the subsequent process, and also reduce the high-quality performance and service life of the steel pipe itself, so manufacturers usually take appropriate measures to avoid or solve this pro...Read more -
What are the standards for the storage of anti-corrosion steel pipes
1. The appearance of the storage and delivery of anti-corrosion steel pipes needs to be checked as follows: ① Check each root to ensure that the surface of the polyethylene layer is flat and smooth, without dark bubbles, pits, wrinkles, and cracks as a whole, and the overall c...Read more