Steel 60Х3Г8Н8В
Steel 07Х17Н16 (EP626; 0Х17Н16)
Steel 20Х12Н12Г6 (ЭИ429)
Steel 50X4G18
Steel 5Х3Н12Г5 (Н12ХГ)
Steel 60Х3Г8Н8В
Steel 60Х3Г8Н8Ф
Steel 75Х8Н34Г2В3 (ЭИ278)
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 60Х3Г8Н8В |
| Designation GOST Latin | 60X3G8H8B |
| Transliteration | 60H3G8N8V |
| The chemical elements | 60Cr3Mn8Н8W |
Description
60Х3Г8Н8В steel is used: for the manufacture of retaining rings of turbogenerators and other parts of the engineering requirements of namagnichennosti.
Note
The austenitic steel.
Absolute magnetic permeability at field strength of 1.6·104 A/m (200Э) must not exceed 1.4 x 10-6 Ng/m (1,1 GS/e).
Electrical resistivity shall not be less than 0,65·10-6 Ohm·m (0.65-Ohm·mm2/m).
Standards
| Name | Code | Standards |
|---|---|---|
| Metal forming. Forgings | В03 | TU 24.00.3748-85 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | W |
|---|---|---|---|---|---|---|---|---|---|
| TU 24.00.3748-85 | 0.58-0.68 | ≤0.025 | ≤0.04 | 7.5-9.5 | 3-4 | ≤0.5 | 7.5-9 | The rest | 0.5-1 |
Fe is the basis.
At the discretion of the manufacturer, tungsten in steel 60Х3Г8Н8В can be replaced with vanadium (mass fraction - 0,5-1,0%). In this case, the designation of the steel grade is changed to 60X3G8N8F. When melting steel 60Х3Г8Н8В by remelting with the use of waste steel 60Х3Г8Н8Ф in it the presence of residual tungsten (mass fraction up to 0,5%) is allowed.
At the discretion of the manufacturer, tungsten in steel 60Х3Г8Н8В can be replaced with vanadium (mass fraction - 0,5-1,0%). In this case, the designation of the steel grade is changed to 60X3G8N8F. When melting steel 60Х3Г8Н8В by remelting with the use of waste steel 60Х3Г8Н8Ф in it the presence of residual tungsten (mass fraction up to 0,5%) is allowed.
Mechanical characteristics
| sT|s0,2, MPa | σB, MPa | d5, % | y, % |
|---|---|---|---|
| The workpiece retaining ring - selection of samples for testing wall thickness 58-85 mm (strength category - I to V) | |||
| 588 | 735 | 25 | 35 |
| 706 | 834 | 22 | 35 |
| 785-834 | 883-932 | 20 | 35 |
| 834-883 | 912-961 | 20 | 35 |
| 863-981 | 912-1040 | 20 | 35 |
Description mechanical marks
| Name | Description |
|---|---|
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
