A.D.Tubi Inossidabili SpA will expand into North America, Mexico, and the South and Central American markets in partnership with Kipp International Steel Sales. A.D. Tubi is a welded tube manufacturer specializing in the heat transfer industry, constructing tubes from stainless steel, nickel alloys, superferritic, duplex and super duplex stainless steel and titanium. The company also offers a range of welded stainless tubes for chemical, heating elements, hydro and food tube applications, in addition to heat exchanger tubes. Products are available in a full range of tube sizes from .281in OD to 2.5in OD in overall diameter and wall thickness, starting at .016 to .120 wall. Kipp International is comprised of a team of mill direct representatives for global manufacturers specializing in heat exchanger and condenser tubes, boiler tubes, pressure pipe, refinery pipe, valves and fittings for a wide range of applications.