Profile: Worldwide Pipe & Supply manufactures pipes, fittings, flanges, valves and tubing. We use material such as carbon stainless steel, chrome moly, alloys, monel and inconel. Our flange includes weld neck, slip on, blind, lap joint, threaded, orafice, socket welding and ring type joint. We provide square and rectangular tubing in sizes such as 1/2" to 14" O.D and .065" to .500" wall.