51% to 3,740 on Friday December 14 from 3,721 in the previous trading session. Historically, Steel reached an all time high of 4780 in September of 2018 and a record low of 1750 in February of 2016. Steel is an alloy of iron and other elements, mainly carbon. Steel is one of the world’s most important materials used in construction, cars and all sorts of machines and appliances. By far the biggest producer of crude steel is China, followed by European Union, Japan, United States, India, Russia and South Korea. The biggest producers of iron ore are: China, Australia, Brazil, India, Russia, Ukraine and South Africa.