EVI-3
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Y, % | W, % | Ta, % | Примеси, % |
|---|---|---|---|---|
| GOST 23949-80 | 2.5–3.5 | 96.44–97.49 | 0.01 | < 0.05 |
Note: OT: Al + Fe + Ni + Si + Ca + Mo
Note: W: W + La2O3 + Y2O3 + ThO2 + Ta
Note: Y: Y2O3
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 23949-80 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Примеси | % | Impurities |
| Y | % | Yttrium |
| W | % | Tungsten |
| Ta | % | Tantalum |