welded stainless steel round pipe 1.Material:Q195,Q235,Q345,16Mn,AP15L ... 2820mm,thickness:0.4-20mm 3.Length: 3-6m welded stainless steel round pipe1.Material:Q195,Q235,Q345 etc 2.OD: ... customized4.application: Decoration , structure,Heat exchanger, boiler, condenser, pressure vessel, automobile exhaust pipes5.surface finish: annealed/manual polished/mechanical polished welded carbon steel round pipe