55H20G9AN4 (EI303, 5Х20Н4АГ9)
Valves of automobile motors.
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, % | Cu, % | Ni, % | P, % | C, % | S, % | N, % |
|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 61.48–67.7 | < 0.45 | 8–10 | 20–22 | < 0.3 | 3.5–4.5 | < 0.04 | 0.5–0.6 | < 0.03 | 0.3–0.6 |
Information on suppliers
Analogues
| Germany | USA |
|---|---|
| 1.4871 | EV12 |
Standards
| Standard | Description |
|---|---|
| GOST 5632-72 | |
| TU 14-1-1049-74 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mn | % | Manganese |
| Cr | % | Chrome |
| Cu | % | Copper |
| Ni | % | Nickel |
| P | % | Phosphorus |
| C | % | Carbon |
| S | % | Sulfur |
| N | % | Nitrogen |