Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН56ВМКЮ |
| Designation GOST Latin |
XH56BMKJu |
| Transliteration |
HN56VMKYu |
| By chemical elements |
CrNi56ВCuCoAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭП109 |
| Designation GOST Latin |
EP109 |
| Transliteration |
EhP109 |
| By chemical elements |
- |
Description
Alloy KHN56VMKJU used: for the manufacture of hot-rolled bars; turbine blades and other parts for aircraft and engineering.
Note
High-temperature Nickel-based alloy.
The recommended maximum operating temperature for limited time +950 °C.
The temperature of beginning of intensive scaling in air +1080 °C.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
GOST 23705-79, TU 14-1-223-72, TU 14-1-402-72, TU 14-1-5.9-73, TU 14-11-245-88 |
| Classification, nomenclature and General rules |
В30 |
GOST 5632-72 |
| Blanks. Of the workpiece. Slabs |
В31 |
OST 3-1686-90 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
Cu |
Al |
B |
Ti |
Mo |
W |
Ce |
Co |
| TU 14-1-223-72 |
≤0.1 |
≤0.01 |
≤0.015 |
≤0.3 |
8.5-10.5 |
≤0.6 |
Rest |
≤1.5 |
≤0.07 |
5.4-6.2 |
≤0.02 |
- |
6.5-8 |
6-7.5 |
≤0.02 |
11-13 |
| TU 14-1-402-72 |
≤0.1 |
≤0.011 |
≤0.015 |
≤0.3 |
8.5-10.5 |
≤0.6 |
Rest |
≤1.5 |
≤0.07 |
5.4-6.2 |
≤0.02 |
- |
6.5-8 |
6-7.5 |
≤0.02 |
11-13 |
| GOST 5632-72 |
≤0.1 |
≤0.01 |
≤0.015 |
≤0.3 |
8.5-10.5 |
≤0.6 |
Rest |
≤1.5 |
≤0.3 |
5.4-6.2 |
≤0.02 |
≤0.2 |
6.5-8 |
6-7.5 |
≤0.02 |
11-13 |
Ni is the basis.
According to TU 14-1-223-72 in the alloy, the presence of antimony, tin, bismuth and arsenic is allowed for no more than 1 point of the spectral analysis scale. Boron and cerium are introduced into the metal by calculation and chemical analysis is not determined.
Mechanical properties
| Section, mm |
σU, MPa |
d5, % |
y, % |
KCU, kJ/m2 |
HB, MPa |
| Bars hot rolled and forged and according to GOST 23705-79, THE 14-1-223-72. Annealing in air 1210-1230 °C (extract 4-6 h) + Aging 925-975 °C (exposure 8 h), air cooling |
|
≥640 |
≥4 |
≥8 |
- |
- |
|
1080-1280 |
9-15 |
11-16 |
196-490 |
302-363 |
|
540-590 |
3-8 |
5-12 |
392-588 |
- |
|
640-780 |
4-16 |
8-20 |
392-588 |
- |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d5 |
Elongation after rupture |
| y |
The relative narrowing |
| KCU |
Toughness |
| HB |
Brinell hardness number |
Physical characteristics
| Temperature |
Е, HPa |
r, kg/m3 |
l, W/(m · °C) |
a, 10-6 1/°C |
| 20 |
210 |
8450 |
- |
- |
| 500 |
188 |
- |
159 |
134 |
| 600 |
183 |
- |
184 |
136 |
| 700 |
176 |
- |
209 |
141 |
| 800 |
169 |
- |
234 |
148 |
| 100 |
- |
- |
88 |
118 |
| 200 |
- |
- |
105 |
122 |
| 300 |
- |
- |
118 |
127 |
| 400 |
- |
- |
138 |
131 |
| 900 |
- |
- |
259 |
157 |
| 1000 |
- |
- |
- |
170 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
