.No. Material Size Sch. Specification 1 Seamless Pipe 15 NB To 300 NB Sch. 5s, 10s, 40s, 80s, 160s, XXS A-312 2 Welded (ERW) Pipe 15 NB To 300 NB Sch. 5s, 10s, 40s, & 80s A-312 3 Welded (ERW) Pipe 150 NB To 600 NB Sch. 5s, 10s, 40s & 80s A-358
Round, Square, Oval, Shaft, Coil, U Shape.