Oil & Gas

TRI has a vast experience and tradition in the manufacturing of linepipe and OCTG, in API grades and up to 9% Cr.

Our plants are approved by the American Petroleum Institute (API) and the main oil & gas worldwide companies. We manufacture the full range of steels and API 5CT and 5D grades, from H40 to Q125, including chromium martensitic steels. We regularly manufacture and supply to our customers OCTG pipes which are collapse resistant, suitable for sour and high pressure and temperature services.

API 5CT grades: H40, J55, K55, M65, N80, L80, C90, C95, T95, P110, Q125.

API 5DP grades: E,X,G,S.

Special grades on request.

Download dimensions document (PDF 38 KB)

Pipes used in the conveying of fluids at different pressures, temperatures and environment conditions, as well in chemical and petrochemical industry processes.

We are specialised in 2”, 3”, 4” and 6” flow gathering lines. Our delivery conditions are rolled, normalized, as well as quenched and tempered, with excellent performance...

Quality standards/grades: API 5L PSL 1 & PSL 2 (A, B, X42, X46, X52, X60, X65, X70, X80), ASTM, ASME, EN, GOST, etc.

ANSI-ASME Download (PDF 543 KB)

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Grupo Tubos Reunidos


Barrio Sagarribai, 2
01470 Amurrio, Álava (Spain)


Tel: (+34) 945 89 71 00
Fax: (+34) 945 89 71 54/55

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