Low carbon ferrochrome (LC FeCr), with a carbon content below 0.5%, is a ferroalloy used to regulate the ratio of chromium in steel production without adding carbon and other unwanted ingredients. It is also used by the superalloys industries.
The most commonly used processes to manufacture low carbon ferrochrome are metallo-thermic reductions known as the Duplex (Perrin) or Simplex processes. In order to get the desired low carbon content in the LC FeCr a carbo-thermic process cannot be used.
Technical Properties
| Chemical Formula | Fe-Cr |
| Other Names | Low-carbon chromium alloy |
| CAS Number | 11103-86-9 |
| Molecular Weight | Variable |
| Solubility | Insoluble in water |
| Appearance | Earthy or gray metallic granules |
Applications
Production of steel, especially stainless steel with chromium content of 10 to 20%, is the largest consumer of high-carbon ferrochrome. Over 80% of the world’s ferrochrome is used in the production of stainless steel.
The vast majority of ferrochrome produced is charge chrome, which has a lower chrome content ratio. Used most commonly in stainless steel, it is mainly produced in South Africa.
Low carbon and medium carbon ferrochrome is used in the manufacture of special steels. Low carbon ferrochrome can be used to produce superalloys.
Safety and Regulations
Dust from this material may be harmful to health. Protective equipment such as respiratory masks and gloves should be used.
Environmental Impact
Improper disposal can contaminate soil and water sources, necessitating proper handling and disposal.
Packing
Soft nonreturnable containers.