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 |