Production of cast iron, steel and ferroalloys

This class includes: - operation of blast furnaces, blast furnaces, roughing and grinding mills - production of pig iron and spiegeleisen in the form of ingots, blocks and other primary forms - production of ferroalloys - production of iron products and other sponge iron products by recovery - production of high-purity iron by electrolysis or other chemical processes - remelting of pig iron or steel scrap - production of granular iron and iron powder - production of steel, in ingots or other primary forms - production of semi-finished steel products - production of hot and cold rolled steel products - production of hot rolled steel bars and coils - production of hot rolled steel open sections - production of steel strip and welded steel sections - railway manufacture of railway accessories (unassembled rails). Excludes: - manufacture of cold-drawn metal bars, see 24.31