1 Judging from the surface, that is, in visual inspection. Visual inspection of welded joints is a s...
Anti-corrosion steel pipe is a common steel pipe. In order to slow down and prevent the steel pi...
The application of large-diameter longitudinally ERW welded pipes has become very common in peop...
Cleaning method of large diameter steel pipe : 1. Shot blasting and rust removal: The high-powe...
The welding seam of the spiral steel pipe is longer than that of the straight seam steel pipe ....
1. Fake and inferior thick-walled steel pipes are prone to folding. 2. Fake and inferior t...
The commonly used nondestructive testing methods for steel pipes include radiographic testing (R...
1. The spraying process of 3PE anti-corrosion steel pipe At present, most 3pe anti-corrosion ...
Construction preparation before welding of large diameter steel pipe : 1. Organize relevant ope...
1. There are strict technical requirements for the installation and use of straight seam steel pip...
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