Ferroalloy refers to various alloys of iron with a high proportion of
one or more other element other than carbon.
Ferroalloy is used to physically introduce or "carry" that element into
molten metal, usually during steel manufacture.
term ferroalloy is used to include any alloys that introduce reactive
elements or alloy that introduce reactive elements or alloy systems,
such as nickel and cobalt-based aluminum systems.
used in the production of steels and alloys as a raw material.
variety of furnace types, including submerged electric arc furnaces,
exothermic (metallothermic) reaction furnaces, and electrolytic cells
can be used to produce ferroalloys.
exothermic process is generally used to produce high-grade alloys with
production of ferroalloys in submerged arc furnaces, the primary
function of the carbonaceous material (mainly coke and coal) is to act
as reductant: to react with the metal oxide to form metal and carbon
ferroalloys and many other metallurgical products, intermediates and
waste products arise from smelting processes, which produce molten
materials such as ferroalloys, mattes, metals, or slags.
Currently markets for atomised ferroalloys are somewhat limited and
comprise <1% of the ferroalloy business.
Africa's third-largest ferrochrome producer is setting the pace in the
expansion of South Africa's ferrochrome capacity to meet the expected
growth in world demand.
Production of ferrochrome in India, the third-largest producing country
in the world exceeded 0.5 Mt for the first time in 2003/04.
the ferro-alloys, the noble alloys ferrovanadium and ferromolybdenum
achieved the most spectacular turnaround.
Overall, South African ferroalloy producers have adapted well to the
strong unexpected upturn in the market.
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