Tenaris stock: Company expands Nigeria plant and starts Canadian steel grade production

Tenaris marked 25 years of operations in Nigeria with an upgraded thermal insulation plant and began producing its TN 95EY steel grade in Canada.

Tenaris S.A. marked 25 years of operations in Nigeria with the inauguration of an upgraded thermal insulation plant in Onne, Rivers State. The company also reported the completion of the coating campaign for the Bonga North deepwater project, located in waters exceeding 1,000 meters. Tenaris said it invested approximately USD 10 million to refurbish its five-layer thermal insulation line in Onne. Tenaris published the update on October 2, 2026.

Canadian production expands

In a separate company announcement dated September 30, 2026, Tenaris said it had started domestic production of its TN 95EY proprietary steel grade at its Sault Ste. Marie Industrial Centre in Ontario. The grade is designed for demanding oil and gas applications, including high-pressure and high-temperature wells and sour-service applications. Tenaris said its Canadian operations employ more than 1,300 people and that the company has invested more than CAD 355 million in Canada since 2020. Tenaris identified the Sault Ste. Marie facility as the only North American site producing both seamless and welded steel pipes under one roof.