Tenaris produces a wide range of hot-welded and seamless tubes for plumbing, fireproof, water and natural gas distribution applications, along with high-pressure work and other uses.

Welded (Fretz-Moon) or seamless tubes in completely calmed fine grain carbon steel. All Tenaris general-purpose plumbing tubes can be supplied with various types of coating (galvanized, thermo coating/pre-painted or in polyethylene), with smooth ends or threaded, supplied with coupling. The UNI 8863 tubes have an external diameter of up to 3” for welded tubes and 6” for seamless.