butt 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 ...