CANGZHOU WILSON PIPELINE CO.,LTD

How to prevent well casing pipe damage? How to repair well casing to restore its production? These are important questions in the...

Causes of welding deformation of thin steel plate: 1. Analysis of welding deformation Welding uses heat to connect two workpieces, but...

The internal and external anti-corrosion practices of spiral steel pipes (SSAW) should meet the requirements of the design institute and...

The three-layer polyethylene (3PE) anticorrosive coating has been widely used in the petroleum pipeline industry due to its good...

Spiral steel pipe(SSAW) is also called spiral welded pipe. It is made by rolling low-carbon structural steel or low-alloy structural...

Straight seam steel pipes are steel pipes whose welds are parallel to the longitudinal direction of the steel pipe. Usually pided into...

Welding residual stress is the temperature difference inside the weldment caused by the heating and cooling process during welding, which...

3PE anticorrosive steel pipe base materials include seamless steel pipes, spiral steel pipes and straight seam steel pipes. The...

As a commonly used steel product, seamless steel pipe has certain defects due to various reasons. The common defects are as follows. 1....

Seamless steel pipes are widely used in mechanical manufacturing, because the mechanical performance of this steel is very good. But...

Seamless steel pipes for boilers are high-quality carbon steel, alloy steel and stainless heat-resistant steel seamless steel pipes used...

The submerged arc welding process(SAW) is suitable for the requirements of heavy industrial applications such as pipelines, pressure...

Preheating refers to heating the workpiece to be welded to above room temperature before or during welding. According to the application...

The hydrostatic pressure test of oil casing pipe is an indispensable part of the steel pipe manufacturing process. Its function is to...

Oil casing drilling is also called percussion drilling. The wire rope is used to send the drill bit to the bottom of the well. The beam...

After removing the root of the weld, double-sided weldments should be inspected. When using the oxyacetylene flame to cut the welding...

Characteristics of straight seam steel pipe: Straight seam steel pipe generally refers to the use of a special process to carry out...

Advantages of LSAW steel pipe in steel structure design are as follows: (1) The cross section of the straight seam steel pipe has good...

Straight seam steel pipe refers to a steel pipe whose weld seam is parallel to the length of the steel pipe. Its production process is...

Main equipment of high frequency straight seam welded pipe (ERW welded pipe) production line: 1. Uncoiler The hot-rolled steel strip is...