Steel 18ХГН2МФБ
Designation
Description
18ХГН2МФБ steel is used: for manufacturing method of hot working thelongrun of parts of vehicles and mining machines.
Note
Structural steel homomorphically.
Standards
Chemical composition
Fe is the basis.
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 18ХГН2МФБ |
| Designation GOST Latin | 18XGH2MFB |
| Transliteration | 18HGN2MFB |
| By chemical elements | 18CrMnН2MoVNb |
18ХГН2МФБ steel is used: for manufacturing method of hot working thelongrun of parts of vehicles and mining machines.
Structural steel homomorphically.
| Name | Code | Standards |
|---|---|---|
| Bars and shapes | В22 | GOST 2590-2006 |
| Bars and shapes | В32 | TU 14-1-3678-84 |
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | N | V | Mo | Nb |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TU 14-1-3678-84 | 0.15-0.22 | ≤0.035 | ≤0.035 | 0.5-0.8 | 0.4-0.6 | 0.17-0.37 | 1.6-2 | Rest | ≤0.25 | ≤0.016 | 0.1-0.25 | 0.4-0.6 | 0.05-0.1 |
| Section, mm | sT|s0,2, MPa | σU, MPa | d5, % | y, % | KCU, kJ/m2 |
|---|---|---|---|---|---|
| Graded g/to hire on the other 14-1-3678-84. The annealing at 920 °C (extract 3 hours), slow cooling with the furnace to 650 °C (12h exposure) + Quenching in oil from 860 °C to + Vacation at 200 °C (extract 3 hours), air cooling | |||||
| ≥1370 | ≥1570 | ≥12 | ≥50 | ≥1170 | |
| Name | Description |
|---|---|
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σU | Limit short-term strength |
| d5 | Elongation after rupture |
| y | The relative narrowing |
| KCU | Toughness |