Kazakhstan boosted crude steel output 13.9% year-on-year in January-March 2007 to 1.106 million tonnes, the National Statistics Agency told Interfax-Kazakhstan.

Output of flat steel products rose 24.9% to 811,300 tonnes, including 46,354 tonnes of tin-plate and tin-plated sheet, up 71.7%, and 143,916 tonnes of galvanized steel, an increase of 7%.

Ferroalloy production rose 2.6% to 421,815 tonnes.

The agency also said that Kazakhstan reduced coal production 6.4% year-on-year in the three months to 23.387 million tonnes.