Ferrochrome
Ferrochrome is an alloy of iron and chromium with a minimum chromium content of 45.0% and a maximum of 95.0%, obtained by reducing the raw materials or their concentrates.
Ferrochrome is used for alloying steel, and foundry ferrochrome is used as a semi-product in silicochrome smelting.
Ferrochrome is divided into the following groups according to the carbon content:
High-carbon
carbon content from 4.0 to 9.0%
Medium-carbon
carbon content from 0.5 to 4.0%
Low-carbon
carbon content up to 0.5%
Low-carbon nitrided
nitrogen content from 1.0 to 6.0%
|
Type HS code |
Mass proportion , % |
|||||
|
Chrome (Cr) , not less than |
Carbon (C) |
Silicone (Si) |
Phosphorus (P) |
Sulfur (S) |
Aluminum (Al) |
|
|
not more than |
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|
FeCr005А FeCr005Б 7202 4910 00 |
65 |
0 , 05 |
1 , 5 |
0 , 03 0 , 05 |
0 , 02 |
0 , 2 |
|
FeCr010А FeCr010Б 7202 4950 00 |
65 |
0 , 10 |
1 , 5 |
0 , 03 0 , 05 |
0 , 02 |
0 , 2 |
|
FeCr025А FeCr025Б 7202 4950 00 |
65 |
0 , 25 |
2 , 0 |
0 , 03 0 , 05 |
0 , 02 |
- |
|
FeCr800А FeCr800Б 7202 4190 00 |
65 |
8 ,0 |
2 , 0 |
0 , 03 0 , 05 |
0 , 06 0 , 08 |
- |
|
FeCr850А FeCr850Б 7202 4190 00 |
65 |
8 ,5 |
2 , 0 |
0 , 03 0 , 05 |
0 , 05 0 , 08 |
- |
| GOST 4757-91 |
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