SK20
CK20- ferroalloy containing up to 20% Ca and up to 45% Si is smelted in -thermic furnaces using a restoration or silicothermic method.
It is used as an active complex deoxidizer, steel and cast iron degasser, an effective desulfurizer.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Ferroalloys | Ferroalloys |
Chemical composition
| Standard | Fe, % | Si, % | Ca, % | Al, % | P, % | C, % |
|---|---|---|---|---|---|---|
| GOST 4762-71 | > 33.48 | < 45 | < 20 | < 1 | < 0.02 | < 0.5 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 4762-71 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Ca | % | Calcium |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |