... size:1/2"-80" material:stainless steel certificate:ISO9001 and bv stainless steel 180 degree elbow Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN ... , ANSI B16.28, EN10253-2, EN1092-1,JIS B2313,DIN2605,Stainless Steel 304, 304L, 310S, 309S, 316, 316L, 317, 317L, 321 ... Socket Welding Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642,2633,JIS ...