Steel 45KH22N4M3 (ЭП48)
Steel 10Х11Н20Т2Р (ЭИ696А)
10X23H10 steel
Steel 10KH23N18 (0Х23Н18)
Steel 12Х25Н16Г7АР (ЭИ835)
Steel 20X23H18 (EI417)
Steel 40Х10С2М (ЭИ107)
Steel 40Х9С2 (4Х9С2)
Steel 45Х22Н4М3 (EP48)
Steel 55Kh20G9AN4 (EP303)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 45Х22Н4М3 |
| Designation GOST Latin | 45X22H4M3 |
| Transliteration | 45H22N4M3 |
| The chemical elements | 45Cr22Н4Mo3 |
| Name | The value |
|---|---|
| Designation GOST Cyrillic | ЭП48 |
| Designation GOST Latin | EP48 |
| Transliteration | EhP48 |
| The chemical elements | - |
Description
45KH22N4M3 steel is used: for the manufacture of valves of automobile engines.
Note
Heat-resistant steel and heat resistant austenitic class.
The recommended maximum operating temperature for a long time +850 °C.
Temperature intense scaling in air +950 °C.
Standards
| Name | Code | Standards |
|---|---|---|
| Classification, nomenclature and general norms | В30 | GOST 5632-72 |
| Bulls. Blanks. Slabs | В31 | OST 3-1686-90 |
| Sectional and shaped rolling | В32 | TU 14-1-1510-75, TU 14-11-245-88 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Ti | Mo | W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 5632-72 | 0.4-0.5 | ≤0.03 | ≤0.035 | 0.85-1.25 | 21-23 | 0.1-1 | 4-5 | The rest | ≤0.3 | ≤0.2 | ≤0.2 | 2.5-3 | ≤0.2 |
Fe is the basis.
