... /ss/alloy w.t. sch5-sch100 std xxs ITEM stainless steel elbow 90, elbow45, equal tee, reducer tee, bends, concentric reducer, eccectric ... reducer, screwed flange, cap, stub end MATERIAL carbon steel, stainless steel, alloy steel, some specialSTANDARD ANSI, ASME, API5L, DIN, JIS, BS, GB ... CURVATURE 1D-10DCERTIFICATES ISO9001:2000, API, CCS, CE, TUV stainless steel screwed flange