FB20
FB20 — ferroalloy containing up to 20% B and up to 2% Si, smelted in non-thermal furnaces
For alloying of steels, alloys and cast irons, as well as for the manufacture of coatings for welding electrodes and surfacing compounds.
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Ferroalloys | Ferroalloys |
Chemical composition
| Standard | Fe, % | Si, % | B, % | Cu, % | Al, % | P, % | C, % | S, % |
|---|---|---|---|---|---|---|---|---|
| GOST 14848-69 | 74.87–80 | < 2 | > 20 | < 0.05 | < 3 | < 0.02 | < 0.05 | < 0.01 |
Note: On demand: Al <1.5%; C <0.03%
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 14848-69 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| B | % | Bor |
| Cu | % | Copper |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |