Stainless Steel Welded Pipe/Stainless Steel Welding Pipe Grade: TP304,TP304L,TP321,TP316,TP316L Type: round and rectangular Stainless Steel Welded Pipe/Stainless Steel Welding PipeGrade: TP304,TP304L,TP321,TP316,TP316L ... range from 0.5 to 12mmMain production technics: Argon ARC Welding