Steel 27KHN2MFL
Designation
Description
27KHN2MFL steel is used: for the manufacture of solid the teeth and their attachment elements (clips, wedges) ekskavatorov.
Note
Cold-resistant steel.
Standards
Chemical composition
Fe is the basis.
| Name | The value |
|---|---|
| Designation GOST Cyrillic | 27ХН2МФЛ |
| Designation GOST Latin | 27XH2MFL |
| Transliteration | 27HN2MFL |
| By chemical elements | 27CrН2MoV |
27KHN2MFL steel is used: for the manufacture of solid the teeth and their attachment elements (clips, wedges) ekskavatorov.
Cold-resistant steel.
| Name | Code | Standards |
|---|---|---|
| Castings with special properties (iron and steel) | В83 | GOST 21357-87 |
| Standard | C | S | P | Mn | Cr | Si | Ni | Fe | Cu | V | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOST 21357-87 | 0.23-0.3 | ≤0.02 | ≤0.02 | 0.6-0.9 | 0.8-1.2 | 0.2-0.42 | 1.65-2 | Rest | ≤0.3 | 0.08-0.15 | 0.3-0.5 |
| sT|s0,2, MPa | σU, MPa | d | y, % | KCU, kJ/m2 | HB, MPa |
|---|---|---|---|---|---|
| Casting. Quenching in water from 880-920 °C + vacation at 570-590 °C, air cooling (KCU-60). Steel is used as wear-resistant | |||||
| ≥800 | ≥1100 | ≥10 | ≥22 | ≥3 | ≥265 |
| 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 |
| d | Elongation after rupture |
| y | The relative narrowing |
| KCU | Toughness |
| HB | Brinell hardness number |