... 5.Standard:AISI,ASTM,DIN,GB,JIS E 201 Stainless Steel Welded Round Tubes Product Stainless Steel Bright Welded Round Pipe Material 201,202,304 ... On Certification ISO9001 Polishing 2B,HL,Satin Surface Annealed,Pickled,Polished Application Mechemical,Structural,Construction And Decoration Payment Term Pay 30 ... Time With 15 Days After T/T AT Sight 201 Stainless Steel Welded Round Tubes