... :Bead removed & Bright annealed. Test:Eddy current & Hydrostatic test, etc. Stainless steel welded tube/pipe. Stainless steel welded tube / pipe:1. Standard: GB ... annealed, pickling, electropolishing, mechanical polishing.8. Test: eddy current, hydrostatic test, mechanical properties test, chemical test, etc.9. Packing: plastic bag, seaworthy ... looking forword to cooperate with you. 304 round tube