Designation
| Name |
The value |
| Designation GOST Cyrillic |
12ХГФЛ |
| Designation GOST Latin |
12XGFL |
| Transliteration |
12HGFL |
| By chemical elements |
12CrMnV |
Description
12KHGFL steel is used: for the manufacture of critical cast parts of tractors, welded-cast load-bearing structures.
Note
Cold-resistant steel.
Standards
| Name |
Code |
Standards |
| Castings with special properties (iron and steel) |
В83 |
GOST 21357-87 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
V |
| GOST 21357-87 |
0.1-0.16 |
≤0.02 |
≤0.02 |
0.9-1.4 |
0.2-0.6 |
0.3-0.5 |
≤0.3 |
Rest |
≤0.3 |
0.05-0.1 |
Fe is the basis.
Mechanical properties
| sT|s0,2, MPa |
σU, MPa |
d |
y, % |
KCU, kJ/m2 |
| Casting. Normalizing at 930-950 °C, air cooling (KCU-60) |
| ≥340 |
≥470 |
≥20 |
≥35 |
≥3 |
Description mechanical marks
| 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 |
