... 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 ... Steel Reducer StandardDIN 2527,2573,2576,2642,2633,JIS B2311,ASME 16.9Material304, 304L, 310S, 309S, 316, 316L, 317, ...