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...
Because the straight seam steel pipe is inseparable from human life and production activities, t...
(1) Site arrangement According to the on-site reconnaissance situation, after entering the site, t...
The development of seamless steel pipes focuses on energy saving and emission reduction technology. ...
1. The stainless steel elbow is made of thick-walled steel pipe , and the wall thickness changes ...
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