Steel pipe specifications Dimensions (such as outside diameter or side length) and its size range is very broad, from a very small diameter capillary to the great circle of a few meters in diameter steel pipe inner diameter and wall thickness.
Round tubing is used for pipes, thermal equipment, industrial machinery, petroleum geology, drilling, container, chemical industry and for special purposes.
Accoring to production methods can be divided into a seamless circular steel tubes and welded round pipe.