Seamless steel pipes are widely used. General-purpose seamless steel pipes are rolled from ord...
At present, the most common pipe cutting method for spiral steel pipe manufacturers is plasma cu...
The surface quenching and tempering heat treatment of straight seam welded pipes is usually carr...
An oil casing is a large-diameter pipe that acts to fix the wall or bore of oil and gas oil well...
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Diff...
The pressure ratio of the spiral steel pipe on the gas pipeline also has a downward trend. For p...
The concept of a thin-walled spiral steel tube : the strip steel is fed into the welded pipe unit...
Spiral steel pipes are mainly used as fluid pipes and piling pipes. After the steel pipes are ma...
Both spiral steel pipes and steel coiled pipes belong to welded steel pipes, and the production ...
1. The inspection and acceptance of straight seam steel pipes shall be carried out by the techni...
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