... material:stainless steel certificate:ISO9001 and bv stainless steel pipe fitting elbow Stainless Steel ElbowStandardASME SA403,BS16.9,GB12459,EN,DIN,JISMaterial304 ... )Wall ThicknessSch5X~SchXXSBend Degree45°,90°,180°TypeElbow, reducer, cross, pipe holder, manhole cover, stub,clamp,union ,valve etc Stainless ... 48'')ThicknessSCH5~XXSOur company certificate:contact way:stainless steel elbow ss304 ss316l