... 309S Stainless Steel Welded Pipe CommodityStainless Steel Pipe/TubeDescriptionStainless Steel Seamless Pipe/Tube,Stainless Steel Welded Pipe/TubeStandard ASTM A213,ASTM A312,ASTM A269,ASTM ... ,304L,TP304,TP304L,309S,310S,316,316L,TP316,317L,321,347 TP321,TP347,321H,347HOut Diameter1/2"-60"Wall ThicknessSch5S,Sch10S,Sch40S ...