... material:stainless steel certificate:ISO9001 and bv stainless steel pipe fitting elbow Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN ... Wall ThicknessSch5X~SchXXSBend Degree45°,90°,180°TypeElbow, reducer, cross, pipe holder, manhole cover, stub,clamp,union ,valve etc ... Flange,Socket Welding Flange,Thread Flange,Screwed Flange,Lap Joint Stainless Steel Reducer StandardDIN 2527,2573,2576,2642, ...