SA 106-B DN300 SCH80X800 seamless steel tube

Seamless precision steel pipes and welded pipes are basically the same in shape. They are mainly different in the forming process, which leads to different places and prices for them.
For example, a water pipe is usually welded by bending the flat plate, and a weld can be found on it.
The seamless precision steel pipe is generally formed by backlogging the molten steel in the molten state through the annular slit, and then forming it by stretching and other processing processes, so that there is no weld.
In terms of performance, especially the pressure bearing capacity, it is greatly improved compared with ordinary steel pipes, so it is often used in high-pressure equipment. Such as pipeline connections for hydraulic equipment.