There are 3 categories of trenchless repair technologies for steel pipelines (including more tha...
The application of large-diameter longitudinally ERW welded pipes has become very common in peop...
Spiral steel pipe is usually used in urban drainage pipelines. The use of spiral steel pipes i...
Cleaning method of large diameter steel pipe : 1. Shot blasting and rust removal: The high-powe...
Corrosion of steel pipes is mainly divided into two categories: internal corrosion and external ...
The welding seam of the spiral steel pipe is longer than that of the straight seam steel pipe ....
Welding method: When welding thick-walled steel pipes , first clean the oil, paint, water, rust, ...
1. Fake and inferior thick-walled steel pipes are prone to folding. 2. Fake and inferior t...
Let's first talk about the original surface of the stainless steel tube: NO.1 The surface that is su...
The commonly used nondestructive testing methods for steel pipes include radiographic testing (R...
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