02Х21Н25М4ДБ (EK5U)
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | B, % | Mn, % | Cr, % | Cu, % | Ni, % | Ce, % | P, % | C, % | S, % | Nb, % | Mo, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 43.5–49.5 | < 0.2 | < 0.02 | 1–1.5 | 20–22 | 1.3–1.8 | 24–26 | < 0.02 | < 0.02 | < 0.02 | < 0.02 | 0.2–0.4 | 4–4.5 |
Information on suppliers
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| B | % | Bor |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| Ce | % | Cerium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |