The performance and function of the original color straight seam steel pipe in the specific use ...
After stainless steel pipe fittings are processed by forming, welding and other processes, the m...
The simple and simple technological process for the production of spiral seam submerged arc welded...
Spiral steel pipes are mainly used in water supply engineering, the petrochemical industry, the ...
At present, there are two standards for 3PE anti-corrosion steel pipes , namely GB/T 23257-2009 a...
The quality inspection method for spiral steel pipe is as follows: 1 Judging from the surface,...
Commonly used steel pipeline corrosion coatings include traditional petroleum asphalt or asphalt...
1. Thermomechanical treatment High-temperature thermomechanical treatment can improve the yield ra...
1. Argon arc welding is a welding technique that uses argon as a shielding gas. Also known as argon ...
The surface quenching and tempering heat treatment of straight seam welded steel pipe is usually...
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