Ans. Ferrochrome, also known as ferrochromium or FeCr is a type of ferroalloy, which is, an alloy of chromium and of iron, it generally contains 50 to 70% chromium by weight. The production of steel, which is especially of stainless steel which has a chromium content of about 10 to 20%, is the largest consumer and this is the main application of ferrochrome.