Wiktionary
ferrochrome
n. A corrosion-resistant alloy of chrome and iron containing between 50% and 65% chrome.
Wikipedia
Ferrochrome
Ferrochrome (FeCr) is an alloy of chromium and iron containing 50% to 70% chromium by weight.
Ferrochrome is produced by electric arc carbothermic reduction of chromite. Most of the world's ferrochrome is produced in South Africa, Kazakhstan and India, which have large domestic chromite resources. Increasing amounts are coming from Russia and China. The production of steel is the largest consumer of ferrochrome, especially the production of stainless steel with chromium content of 10 to 20% is the main application of ferrochrome. Chromium (Cr) is an element of the Periodic Table.