UNIHUT S.A., headquartered in Kraków (ul. Józefa Marciniaka 11), provides fabrication, repair, installation and supervision services to industry – in mechanical engineering, steel structures, power engineering, furnaces and electrical work; according to the register, its main activity is the manufacture of metal structures and parts of structures. The company, registered in the Polish National Court Register under KRS 0000073476, was formed in 1991 through the conversion of the business unit of the Independent Self-Governing Trade Union of Employees of the Tadeusz Sendzimir Steelworks in Kraków; its sole shareholder is the NSZZ trade union of ArcelorMittal Poland S.A. employees. The company reports more than 35 years of experience and over 150 employees.
The range covers the fabrication, repair and erection of steel structures – industrial halls, tanks, pipelines and dust extraction ducts, chimneys, and railway and road structures – as well as machining, laser cutting (6 kW source, 6,000 × 2,000 mm bed), plasma and oxy-fuel cutting, and sheet bending and rolling. The company carries out repairs of industrial furnaces – coke oven batteries, blast furnace refractory lining and continuous casting line segments – with ceramic welding using FOSBEL and FIB-S technologies, overhauls of rotating machinery, valves and energy installations, and electricity distribution. It provides welding and construction supervision and non-destructive testing to PN-EN ISO 9712, and its management systems are certified to ISO 9001, ISO 14001, ISO 45001 and PN-EN 1090.
The company’s staff have long experience in welding, cutting and hardfacing low- and high-alloy steels and non-ferrous metals, including copper and aluminium. UNIHUT also builds turnkey dedusting installations for flue and industrial gases – with pulse-jet bag filters, cartridge filters and ceramic filter elements, and cyclones – as well as silencers and acoustic enclosures. Its references include ArcelorMittal Poland, Krakodlew and Slag Recycling, as well as cooperation with AGH University in Kraków. As an IGMNiR member, UNIHUT represents maintenance, erection and welding support for metallurgical and processing plants.