Welded steel pipes refer to steel pipes with seams on the surface that are welded by steel strips or steel plates that are bent into round or square shapes. The blanks used for welded steel pipes are steel plates or strip steels.T-welded steel pipes have strong corrosion resistance in acidic environ

Summary of welded steel pipes on January 6: raw materials continue to support welded steel pipe prices stabilize and consolidateOn January 6, domestic welded steel pipe prices rarely adjusted. According to the monitoring data of Lange Steel Cloud Business Platform: The average price of 4-inch (3.75m