Popular among oil and gas transportation, seamless steel pipe is now widely used in this industry. And how can we guarantee the high quality of this kind of strength and strong for customers? We will discuss the complicated production process and you will understand the reasons.
No matter cold drawing or hot rolling you picked, we will find that the seamless steel pipe’s production process is more complicated than spiral submerged arc welding pipe. The specific aspects would be here:
The seamless steel pipe blank must first be rolled in three rolls.
In the diameter test, if the surface does not respond to the crack, the round tube is cut by a cutter and cut into a blank having a length of about one meter.
Then enter the annealing process, the acidification should be acid-washed with acid liquid.