... :1/2"-80" material:stainless steel certificate:ISO9001 and bv 22.5 degree stainless steel elbow Stainless Steel ElbowStandardASME SA403,BS16 ... .9,GB12459,EN,DIN,JISMaterial304,304L,310S,309S,316,316L,317, ... ,clamp,union ,valve etc Stainless Steel Flange StandardsASTMA182,ANSI B16.9, ANSI B16.28, EN10253-2, EN1092-1,JIS B2313,DIN2605 ...