... ,screwed flange,cap, elbow, reducer, tee, stub end material,cs/ss/alloy w.t. sch5-sch100 std xxs ITEM stainless steel elbow ... 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 ... CURVATURE 1D-10DCERTIFICATES ISO9001:2000, API, CCS, CE, TUV stainless steel screwed flange