butt weld pipe fitting,screwed flange,cap, elbow, reducer, tee, stub end material,cs/ss/alloy w.t. sch5- ... xxs ITEM stainless steel elbow 90, elbow45, equal tee, reducer tee, bends, concentric reducer, eccectric reducer, screwed flange, cap, stub end MATERIAL carbon steel ... black oil, 3PE.RADIUS OF CURVATURE 1D-10DCERTIFICATES ISO9001:2000, API, CCS, CE, TUV stainless steel screwed flange