... ,XXS 2.Size:1/8"-8" 3.Standard:ANSI,ASTM,DIN,JIS,BS,etc 4.Finish:Polished,stain Stainless Steel 90 Degree ... ElbowDescription MaterialStainless steel (304, 304L, 316, 316L, 321, 321H, 310S, 347H ... kinds of Pipeline Materials to oil field and refinery as Steel Pipes,Pipe Fittings,Flange,Valves,Gasket,Petroleum Machinery, Fasteners.With ...