... weld pipe fitting,screwed flange,cap, elbow, reducer, tee, stub end material,cs/ss/alloy w.t. sch5-sch100 std xxs ... reducer tee, bends, concentric reducer, eccectric reducer, screwed flange, cap, stub end MATERIAL carbon steel, stainless steel, alloy steel, some specialSTANDARD ANSI ... black oil, 3PE.RADIUS OF CURVATURE 1D-10DCERTIFICATES ISO9001:2000, API, CCS, CE, TUV stainless steel screwed flange