Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН62МВКЮ |
| Designation GOST Latin |
XH62MBKJu |
| Transliteration |
HN62MVKYu |
| By chemical elements |
CrNi62CuВCoAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ867 |
| Designation GOST Latin |
EI867 |
| Transliteration |
EhI867 |
| By chemical elements |
- |
Description
Alloy KHN62MVKJU used: for the manufacture of blades and turbine disks.
Note
High-temperature Nickel-based alloy.
The recommended maximum operating temperature for a long very long time +800 °C.
The temperature of beginning of intensive scaling in air +1080 °C.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 23705-79, TU 14-1-3583-83, TU 14-11-245-88 |
| Classification, nomenclature and General rules |
В30 |
GOST 5632-72 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90 |
| Thermal and thermochemical treatment of metals |
В04 |
ST ЦКБА 016-2005 |
| Processing of metals by pressure. Forgings |
В03 |
TU 14-1-2406-78 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
B |
Ti |
Mo |
W |
Ce |
Co |
| GOST 5632-72 |
≤0.1 |
≤0.011 |
≤0.015 |
≤0.3 |
8.5-10.5 |
≤0.6 |
Rest |
4 |
≤0.3 |
4.2-4.9 |
≤0.02 |
≤0.2 |
9-11.5 |
4.3-6 |
≤0.02 |
4-6 |
Ni is the basis.
Mechanical properties
| Section, mm |
sT|s0,2, MPa |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Blank pieces of pipe fittings and welded assemblies at ST CKBA 016-2005. Annealing in air 1210-1230 °C (extract 4-6 h) + Aging at 940-960 °C (exposure 8 h), air cooling |
| ≤60 |
≥735 |
≥1178 |
≥12 |
≥15 |
≥294 |
260-360 |
| Bars hot rolled and forged and according to GOST 23705-79. Annealing in air 1210-1230 °C (extract 4-6 h) + Aging at 935-965 °C (exposure 8 h), air cooling |
|
760-860 |
980-1220 |
8-24 |
11-28 |
147-490 |
285-352 |
|
390-490 |
570-735 |
8-20 |
12-28 |
490-686 |
- |
|
290-340 |
390-490 |
10-20 |
18-25 |
588-784 |
- |
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 |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
