Steel 90ХМФ
Designation
| Name |
The value |
| Designation GOST Cyrillic |
90ХМФ |
| Designation GOST Latin |
90XMF |
| Transliteration |
90HMF |
| The chemical elements |
90CrMoV |
Description
90ХМФ steel is used: for the manufacture of rolls of all sizes and bandages composite back-up rolls of sheet mills for hot rolling of metals without mechanical processing.
Standards
| Name |
Code |
Standards |
| Metal forming. Forgings |
В03 |
TU 108-11-905-87 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
V |
Mo |
|
0.8-0.9 |
≤0.04 |
≤0.04 |
0.2-0.7 |
1.4-1.7 |
0.2-0.4 |
≤0.3 |
The rest |
0.1-0.2 |
0.2-0.3 |
Fe is the basis.
Mechanical characteristics
| sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
| A sample with a diameter of 6 mm, length 30 mm cut from a forging roll in the tangential direction. The rate of deformation of 16 mm/min strain Rate of 0.009 1/s |
| ≥125 |
≥160 |
≥35 |
≥92 |
| ≥92 |
≥110 |
≥51 |
≥98 |
| ≥49 |
≥64 |
≥71 |
≥100 |
| ≥26 |
≥37 |
≥82 |
≥100 |
| ≥20 |
≥27 |
≥83 |
≥100 |
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 |
Technological properties
| Name |
The value |
| Weldability |
Steel is not used for welded structures. |
| Propensity to temper brittleness |
Tend not. |
| Forging temperature |
Start - 1180 °C, the end - of 800 °C. |
| Flock-sensitive sensitivity |
Sensitive. |
