Barrio Sagarribai Nº2
01470 Amurrio

(+34) 945 89 71 18
(+34) 945 89 71 54


Over 120 years of experience, establishes to TRI as one of the leading European manufacturers of seamless steel tubes. From our headquarters in Spain and with the support of our commercial organization, we maintain a stable and ongoing presence in five continent.

Controlling the process and the product, from the manufacturing of the steel to the delivery to the customer we achieve the highest levels of quality. We adapt to customers needs, manufacturing over 700 types of steel. The degassing process using the RH metod is essential for achieving the highest-purity steel and inclusionary cleanliness.

The quality is our responsability.We have obtained the most important certifications and approval.


Seamless Steel Tubes

Tubos Reunidos Industrial (TRI) manufactures hot-rolled and cold-drawn seamless carbon and alloy steel tubes up to 9% Cr., for oil and gas, chemical and petrochemical, power generation, heat transfer, automotive, mechanical and construction industries.

  • Hot rolled, 26.7 mm to 180 mm in Ø and up to 25.1 m in length.
  • Cold drawn, 6 mm to 120 mm in Ø and up to 27 m in length.
  • We also provide special finishing operations / conditions as : “U” bent, studded, finned tubes, coatings, etc
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