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Large diameter steel pipe connection method and cleaning method

Large diameter steel pipe connection method and cleaning method

Keywords :Large diameter steel pipe connection method and cleaning method        Update : 2022-03-29        View(s) : 1051

Cleaning method of large diameter steel pipe : 1. Shot blasting and rust removal: The high-power motor drives the blades to rotate at a high speed so that abrasives such as steel sand, steel shot, wire segments, and minerals are sprayed and blasted on the surface of the steel pipe under the act...

Analysis of Corrosion Causes of Steel Pipes

Analysis of Corrosion Causes of Steel Pipes

Keywords :Analysis of Corrosion Causes of Steel Pipes        Update : 2022-03-28        View(s) : 1090

Corrosion of steel pipes is mainly divided into two categories: internal corrosion and external corrosion. External corrosion is mainly due to the corrosion caused by the connection between the pipeline material and the external environment such as soil, seawater, atmosphere, and other corr...

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding

Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding

Keywords :Comparison of advantages and disadvantages of spiral steel pipe and straight seam steel pipe welding        Update : 2022-03-25        View(s) : 1372

The welding seam of the spiral steel pipe is longer than that of the straight seam steel pipe . If the pipe length is L, the welding seam length is L/cos(θ). The vast majority of steel pipe defects are concentrated in the weld and heat-affected zone. The long weld means that the probability of ...

The welding process of thick-walled steel pipe

The welding process of thick-walled steel pipe

Keywords :The welding process of thick-walled steel pipe        Update : 2022-03-24        View(s) : 1064

Welding method: When welding thick-walled steel pipes , first clean the oil, paint, water, rust, etc. of the welding joints, and then open the grooves according to the wall thickness. It is the gap of the product, which is generally 1-1.5 times the diameter of the electrode or wire. If the groove...

The phenomenon of fake and inferior thick-walled steel pipes

The phenomenon of fake and inferior thick-walled steel pipes

Keywords :The phenomenon of fake and inferior thick-walled steel pipes        Update : 2022-03-23        View(s) : 972

1. Fake and inferior thick-walled steel pipes are prone to folding. 2. Fake and inferior thick-walled steel pipes often have pockmarked surfaces. 3. Fake and inferior thick-walled steel pipes are prone to scarring on the surface. 4. Fake and inferior materials are prone to cra...

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