The anticorrosion of the steel pipe is based on the drawing request, and the epoxy coal tar paint is used to wrap the glass wire cloth, and the topcoat is applied to the anticorrosion outer wall const...

Commonly used standards for spiral steel pipes are generally divided into: (Ministry of Standards, also known as spiral seam submerged arc welded steel pipes for common fluid transportation pipelines)...

There are many kinds of materials for the manufacture of spiral steel pipes, and there are significant differences in the quality of this alloy product, so it is very important to say how to start the...