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Flat products include slabs, hot-rolled coil, cold-rolled coil, coated steel products, tinplate and heavy plate. They are used in automotive, heavy machinery, pipes and tubes, construction, packaging and appliances. Long products include billets, blooms, rebars, wire rod, sections, rails, sheet piles and drawn wire. The main markets for these products are construction, mechanical engineering, energy and automotive.
One World Trade Center in New York, the Emirates Towers in Dubai and Shanghai World Financial Center use our Histar® high-strength steel; the ArcelorMittal Orbit in the London 2012 Olympic Park consists of 2,000 tonnes of our steel, 60% of which is recycled. Our steel has also been used in the Burj Khalifa Tower in Dubai – the tallest building in the world.
Across the steel industry, carbon dioxide (CO2) emissions per tonne of crude steel are now half what they were 40 years ago. And we are constantly striving to develop cleaner steelmaking processes and greener steel products. One example is our ultra-high-strength steels: by increasing the strength of steel, less needs to be used. This can cut CO2 emissions by up to 30%. We are also part of the European Ultra Low CO2 Steelmaking project (ULCOS), which brings together more than 50 companies in the steel supply chain, as well as laboratories and universities, with the aim of reducing CO2 emissions from steelmaking by 50%.
A blast furnace converts iron ore into steel using coking coal and limestone. At the same time, this ingenious piece of industrial chemistry creates a wide range of by-products such as slag and sludges, dust, waste gases, and of course heat and steam. With modern environmental processes, many of these ‘waste’ products from the steelmaking process are captured, and so we are constantly researching new ways to find value from them. We aim to use as much as we can in our own processes, and what we can’t use, we try to make available to others as a valuable industrial resource. In 2016 we reused 78% of our residues, with some 8% going to landfill.