How to distinguish seamless pipe and welded pipe?
Most of the welded pipe is six meters, the pipe has obvious welding marks, and seamless pipe wall without welding marks
If there is a weld seam in the fracture surface, whether it is inside or outside the pipe, then it is the welded pipe
If it is seamless pipe, the port can be seen inside and outside the pipe there is no welding meat exists, and even if the welding pipe welding processing, the pipe weld is very easy to observe.
The way to distinguish seamless pipes and welded pipes is to see if there is weld marks on the port.
