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