METALS

Steel, alloy of iron and carbon in which the carbon content ranges up to 2%. By far the most widely used material for building the world’s infrastructure and industries, it is used to fabricate everything from sewing needles to oil tankers. In addition, the tools required to build and manufacture such articles are also made of steel.

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.