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Ferrochrome alloys are alloy materials with iron and chromium as their main components, and are important additives in the smelting of stainless steel and alloy steels.
They are mainly used to add chromium to steel to improve its hardness, wear resistance, corrosion resistance, and high-temperature resistance.
Based on different carbon contents, ferrochrome can be divided into:
High-carbon ferrochrome (C 6–8%)
Medium-carbon ferrochrome (C 1–4%)
Low-carbon ferrochrome (C ≤0.5%)
Micro-carbon ferrochrome (C ≤0.15%)
|
Type |
Cr(%) |
C(%) |
Si(%) |
P(%) |
S(%) |
|
High-carbon ferrochrome |
60–65 |
6–8 |
≤2.0 |
≤0.03 |
≤0.03 |
|
Medium-carbon ferrochrome |
60–65 |
1–4 |
≤2.0 |
≤0.03 |
≤0.03 |
|
Low-carbon ferrochrome |
60–70 |
≤0.5 |
≤2.0 |
≤0.03 |
≤0.03 |
|
Micro-carbon ferrochrome |
60–70 |
≤0.15 |
≤2.0 |
≤0.03 |
≤0.03 |
Main uses: Stainless steel production: Providing chromium sources to improve corrosion resistance and gloss； Alloy steel manufacturing: used in wear-resistant steel, heat-resistant steel, tool steel, etc； Refining and Deoxidation：Used in the steel refining stage to improve the cleanliness of molten steel； Casting modification：Improve the microstructure and mechanical properties of castings.
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