... " material:stainless steel certificate:ISO9001 and bv stainless steel pipe fitting elbow Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN,DIN ... °,90°,180°TypeElbow, reducer, cross, pipe holder, manhole cover, stub,clamp,union ,valve etc Stainless Steel Flange StandardsASTMA182,ANSI B16.9 ...