Anti-corrosion steel pipe is a metal body buried in the ground. However, due to the use of the e...
The simple and simple technological process for the production of spiral seam submerged arc welded...
Precautions for storing straight seam steel pipes : Most merchants did not use it soon after pu...
Spiral steel pipes are mainly used in water supply engineering, the petrochemical industry, the ...
1. The material is the same, but the purpose is different, so there is no question of who is better....
At present, there are two standards for 3PE anti-corrosion steel pipes , namely GB/T 23257-2009 a...
Welded steel pipe slag inclusions are slag that remains inside the weld. From a theoretical analysis...
The quality inspection method for spiral steel pipe is as follows: 1 Judging from the surface,...
The welding method of thick-walled steel pipes should be selected according to the material and ...
Commonly used steel pipeline corrosion coatings include traditional petroleum asphalt or asphalt...
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