After the war blast furnace 1 was rebuilt to a 5m diameter by 1949 (operational 1954); in 1949 the plant had five blast furnaces, four converters, two cupola furnaces for cast iron and two for ferromanganese, medium (600mm) and small (~350mm) rolling trains, a casting foundry, a mill for the processing of slag and various workshops in an area of ~ 300 hectares .