55H20G9AN4B (EP303B)
Valves automobile engines
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Heat resistant steels and alloys | Heat resistant high alloy steel |
Chemical composition
| Standard | Fe, % | Si, % | Mn, % | Cr, % | Ti, % | Cu, % | Ni, % | V, % | P, % | C, % | S, % | Nb, % | Mo, % | N, % | W, % |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 59.58–67.3 | < 0.45 | 8–10 | 20–22 | < 0.2 | < 0.3 | 3.5–4.5 | < 0.2 | < 0.04 | 0.5–0.6 | < 0.03 | 0.4–1 | < 0.3 | 0.3–0.6 | < 0.2 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Ti | % | Titan |
| Cu | % | Copper |
| Ni | % | Nickel |
| V | % | Vanadium |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| Nb | % | Niobium |
| Mo | % | Molybdenum |
| N | % | Nitrogen |
| W | % | Tungsten |