EP920 (37NKWTU)
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Corrosion-resistant alloys and steels | Corrosion-resistant heat-resistant steel |
Chemical composition
| Standard | Fe, % | Si, % | B, % | Mn, % | Co, % | Cr, % | Ti, % | Cu, % | Ni, % | Al, % | Ce, % | P, % | C, % | S, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31.275–37.298 | 0.4–0.7 | 0.001–0.02 | 0.2–0.5 | 16.2–17.5 | < 0.25 | 2.6–3 | < 0.15 | 31.977–42.023 | 0.3–0.8 | 0.001–0.03 | < 0.015 | < 0.05 | < 0.01 | 7–7.7 |
Information on suppliers
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| B | % | Bor |
| Mn | % | Manganese |
| Co | % | Cobalt |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| Al | % | Aluminium |
| Ce | % | Cerium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| W | % | Tungsten |