Through its mills in Zalau and Calarasi, Tenaris is the leading Romanian producer of small diameter seamless steel pipes used in oil & gas, mechanical, automotive, chemical, petrochemical and power generation sectors.

Our mills enjoy a fully integrated production process. It starts with steel production from scrap at the steel shop in Calarasi, which has a production capacity of 470,000 tons a year. Transformation of raw material into seamless pipes is performed at the TenarisSilcotub facility in Zalau. It has an annual capacity of 225,000 tons and accounts for a component center dedicated to executing added value operations to the tubes in order to obtain components to be employed in the automotive and earth moving machineries sector as well as a new laboratory which performs metallurgical and mechanical tests. Also, a couplings shop which perfoms API and Premium connections threads, responds to the requirements of oil&gas companies.


Seamless steel tubes mill in Zalau

We produce seamless tubes and pipes with outside diameters ranging from 8 to 146mm in carbon and alloy steels. The production facilities include a hot rolling line using free floating mandrel technology, two finishing lines for the hot rolled plain end pipes, an OCTG plant and a cold-drawing plant. The presence of state of the art heat treatment and NDT (non destructive testing) lines, automated process controls along the entire production line guarantee a consistent product quality.


Steel mill in Calarasi

The steel mill’s facilities in Calarasi include an electric arc furnace, a ladle furnace and continuous casting equipment. The mill produces round bars with diameters ranging from 148 to 260 mm, as well as rectangular blooms in a 350x260 mm size.


Ensuring quality along the entire production process

Through the new state-of-the-art laboratories, we guarantee the quality of products delivered to our customers. We are committed to product development to satisfy customers’ requirements for more demanding applications.


Supporting the local community

We are an active member of the communities where we are located, dedicated to social development projects in the areas such as education, health, culture and art.

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