Your specialist in steel constructions

Sepät offers metal industry solutions for the most demanding needs.

Experience hard as iron since 1945.

Sepät is a traditional metal industry company in Masku, Finland. We manufacture industrial storage containers, pressure equipment, steel structures and piping and more. We also offer installation services.


Our services

Varastosäiliö Loviisan satama

Storage tanks

We manufacture, install and repair storage tanks of all sizes, from containers of a few hundred liters to storage tanks of thousands of cubic meters.

Pressure vessels

We design and manufacture new pressure vessels in accordance with the Pressure Equipment Directive (PED) requirements.


We manufacture pipelines for chemical and petrochemical industry as well as for other industry. We also deliver required supports with installations.

Steel structures

We manufacture demanding steel structures for industrial needs with EN 1090 standards when required.

Installation work

We also offer installation for the products we have manufactured. Additionally, we have experienced staff for different type of industrial shut down works.

Please feel free to ask for more information

Contact us

Sepänmäentie 1 | FIN-21250 Masku
puh. +358-(0)2-436 4200


kiwa certified