... /8"-16" 4.W.T:SCH10S-SCH80S stainless sanitary steel pipe,304 sanitary stainless steel pipe1.standard:GBI9001,GB/T18705-20022.certification ... .6mm,104mm,108mm,114mm,and 114mm-219mm Descriptionstainless sanitary steel pipe,300 series sanitary steel pipe O.D3/8"-16"W.T ... with special specifications according to customers’ requirements;5) Certification: ISO9001 bright sanitary stainless steel welded pipe