Steelmaking is the production of steel from raw materials, cast iron or steel scrap in steelmaking units of metallurgical plants . Steelmaking is the second link in the overall production cycle of ferrous metallurgy . In modern metallurgy, the main methods of steelmaking are oxygen-converter and electric steel smelting processes. Previously used Bessemer , open-hearth and crucible processes [1] .
Production of direct iron reduction products in the world, tons; Midrex - the share of the Midrex process in the total volume,%; from Coal - share of metallization technologies using coal,%; HYL III - share of HYL III technology,%; Divers - other technologies,%
Content
Steel smelting volumes
In 2004, the world's steel production for the first time exceeded 1 billion tons .
| Year | Volume, million tons |
|---|---|
| 1950 | 192 |
| 1965 | 463 |
| 1976 | 690 |
| 2001 | 851 |
| 2005 | 1120 |
See also
- Steelmaking process
Note
- β Lisochkin B.F. Kuznetsk steel.