Designation
| Name |
The value |
| Designation GOST Cyrillic |
08Х14Н2К3МФБ |
| Designation GOST Latin |
08X14H2K3MFB |
| Transliteration |
08H14N2K3MFB |
| By chemical elements |
08Cr14Н2Co3MoVNb |
| Name |
The value |
| Designation GOST Cyrillic |
ЭК93 |
| Designation GOST Latin |
EK93 |
| Transliteration |
EhK93 |
| By chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
ВНС-51 |
| Designation GOST Latin |
BHC-51 |
| Transliteration |
VNS-51 |
| By chemical elements |
WНС-51 |
Description
08Х14Н2К3МФБ steel is used: for the manufacture of parts of aircraft and space engineering.
Note
Steel corrosion-resistant martensitic class.
Standards
| Name |
Code |
Standards |
| Classification, nomenclature and General rules |
В20 |
OST 1 90005-91 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
V |
Mo |
Nb |
Ca |
W |
Ce |
Zr |
Co |
|
0.05-0.09 |
≤0.03 |
≤0.03 |
≤0.6 |
13.8-14.5 |
≤0.6 |
1.4-1.8 |
Rest |
0.15-0.25 |
0.55-0.9 |
0.09-0.19 |
≤0.05 |
0.8-1.2 |
≤0.05 |
≤0.05 |
2-4 |
Fe is the basis.
Mass fractions of cerium, calcium and zirconium are calculated.
Mechanical properties
| σU, MPa |
HB, MPa |
HRC |
| Gradation of performance properties of the finished heat-treated parts for OST 1 90005-91 |
| 1030-1120 |
269-321 |
28-32 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| HB |
Brinell hardness number |
| HRC |
Rockwell hardness (indenter diamond spheroconical) |
