The Black Tubes correspond to the Carbon Steel Pipes not in their natural state, without galvanizing treatment or other internal or external coating.
The Pretos Tubes are manufactured according to technical standards NBR 5590, ASTM A53, ASTM A-106, ASTM A-333, ASTM A-335 and API 5L.
A Tubos GNEE is a company specialized in the distribution of Semi-Sewn Carbon Steel Tubes.
We sell Tight Tubes, Valves, Flanges and Connections ANSI and DIN standards. Request your orçamento.
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