ArcelorMittal Kryviy Rih (formerly Kryvorizhstal), Ukraine's biggest steel producer, raised finished roll production 5.5% year-on-year, to 1.276 million tonnes, the company said in a press release, quoting an adjusted figure.
Crude steel production grew 7.5%, to 1.47 million tonnes.
The plant produced 428,100 tonnes of roll and 505,100 tonnes of crude steel in March.
ArcelorMittal Kryviy Rih specializes in long products, in particular rebar and wire rod.
Finished roll production fell 8.7% in 2011, to 4.938 million tonnes.