11/12/2025
before delivery, each batch of spiral welded pipes will be undergoes x-ray inspectioned (radiographic testing) to detect any internal weld defects such as cracks, porosity, or lack of fusion. this…
11/12/2025
this video takes you inside the manufacturing process of welded steel pipes, showing how flat steel plates are rolled and welded into large-diameter pipes. watch the precise formin…