Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН75ВМФЮ |
| Designation GOST Latin |
XH75BMFJu |
| Transliteration |
HN75VMFYu |
| By chemical elements |
CrNi75ВCuPAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ827 |
| Designation GOST Latin |
EI827 |
| Transliteration |
EhI827 |
| By chemical elements |
- |
Description
Alloy ХН75ВМФЮ used: for the production of parts for energy and aerospace.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-402-72 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
V |
B |
Mo |
W |
Ce |
| TU 14-1-402-72 |
≤0.12 |
≤0.01 |
≤0.015 |
≤0.4 |
9-11 |
≤0.4 |
Rest |
≤5 |
≤0.07 |
4-4.6 |
≤0.7 |
0.01-0.02 |
5-6.5 |
4.5-5.5 |
≤0.01 |
Ni is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
y, % |
HB, MPa |
| Bars and rods, hot-rolled (20-55 mm) and machined (20-40 mm.). Heating to 1190-1210 °C, exposure for 6-8 hours, air cooling + ageing at 900-950 °C for 8 hours, air cooling |
|
589 |
6 |
9 |
255-321 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| HB |
Brinell hardness number |