Supply Shenzhen welded pipe

 Welded steel pipe, also known as welded pipe, steel pipe with a steel plate or strip after curl forming welded steel. Welded steel pipe production process is simple, high production efficiency, different specifications, less investment in equipment, but the general strength of less than seamless steel tubes. GB709 being revised again in said open flat and should be called, respectively, the original tablet: Cut rolled steel plate welded steel pipe and single, also known as welded pipe, steel pipe with a steel plate or strip after curl forming welded steel. Pipe commonly used material for: Q235A, Q235C, Q235B, 16Mn, 20 #, Q345, L245, L290, X42, X46, X60, X80,0Cr13, 1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb so on.