EP431 (VUS-1, 70KNB)
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Si, % | B, % | Mn, % | Co, % | Ti, % | Ni, % | Al, % | P, % | C, % | S, % | Nb, % |
|---|---|---|---|---|---|---|---|---|---|---|---|
| < 0.15 | < 0.002 | < 0.1 | 66.178–69.8 | < 0.02 | 24–26 | 0.2–0.5 | < 0.01 | < 0.03 | < 0.01 | 6–7 |
Information on suppliers
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Si | % | Silicon |
| B | % | Bor |
| Mn | % | Manganese |
| Co | % | Cobalt |
| Ti | % | Titan |
| Ni | % | Nickel |
| Al | % | Aluminium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |