Alloy ХН65ВМТЮ (ЭИ893)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
ХН65ВМТЮ |
| Designation GOST Latin |
XH65BMTJu |
| Transliteration |
HN65VMTYu |
| The chemical elements |
CrNi65ВCuTeAl |
| Name |
The value |
| Designation GOST Cyrillic |
ЭИ893 |
| Designation GOST Latin |
EI893 |
| Transliteration |
EhI893 |
| The chemical elements |
- |
Description
Alloy ХН65ВМТЮ used: for the manufacture of blades and vanes, and fasteners gas turbines.
Note
High-temperature Nickel-based alloy.
The recommended maximum operating temperature for limited time +800 °C. the Temperature of beginning of intensive scaling in air to +1000 °C.
Standards
| Name |
Code |
Standards |
| Sectional and shaped rolling |
В32 |
GOST 23705-79, TU 14-1-2481-78, TU 14-1-322-72, TU 14-11-245-88, TU 1-809-541-95 |
| Classification, nomenclature and general norms |
В30 |
GOST 5632-72 |
| Bulls. Blanks. Slabs |
В31 |
OST 3-1686-90 |
| Metal forming. Forgings |
В03 |
TU 108.02.9082-83 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Cu |
Al |
B |
Ti |
Mo |
W |
Ce |
| GOST 5632-72 |
≤0.05 |
0.012 |
≤0.015 |
≤0.5 |
15-17 |
≤0.6 |
The rest |
≤0.3 |
1.2-1.6 |
≤0.01 |
1.2-1.6 |
3.5-4.5 |
8.5-10 |
≤0.025 |
Ni is the basis.
Mechanical characteristics
| Section, mm |
sT|s0,2, MPa |
σB, MPa |
d5, % |
y, % |
kJ/m2, кДж/м2 |
| Bars hot rolled and forged and according to GOST 23705-79. Hardening in air, 1010-1030 °C (exposure 1.5 h) + Heating to 1150-1170 °C (exposure 2 hours), air cooling, heating to 990-1010 °C (exposure 4 h), air cooling, heating to 890-910 °C (exposure 8 h), air cooling, heating to 810-830 °C (extract 15 h), air cooling |
|
≥490 |
≥830 |
≥20 |
≥22 |
≥588 |
|
- |
≥640 |
≥20 |
≥20 |
- |
| Bars hot rolled and forged and according to GOST 23705-79. Hardening in air, 1160-1180 °C (exposure 2 hours) + Aging at 770-790 °C (exposure 12 h), air cooling |
|
490-735 |
880-1100 |
20-44 |
25-40 |
588-1275 |
|
470-590 |
690-840 |
15-25 |
15-30 |
784-1569 |
|
440-590 |
590-820 |
16-30 |
17-40 |
784-1569 |
| Bars hot rolled and forged and according to GOST 23705-79. Hardening in air, 1160-1180 °C (extract 2 h) + Step-aging at 990-1010 °C (exposure 4 h), cooling with the furnace, 890-910 °C (exposure 8 h), cooled with the furnace, 840-860 °C (extract 15 h), air cooling |
|
490-540 |
880-940 |
20-40 |
25-31 |
588-735 |
|
390-450 |
690-740 |
15-31 |
15-32 |
- |
|
350-450 |
570-620 |
18-33 |
23-37 |
- |
Description mechanical marks
| Name |
Description |
| Section |
Section |
| 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 |
| kJ/m2 |
Toughness |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
l, Вт/(м · °С) |
a, 10-6 1/°С |
| 20 |
222 |
8800 |
127 |
- |
| 100 |
214 |
- |
- |
115 |
| 200 |
210 |
- |
13 |
- |
| 300 |
202 |
- |
138 |
123 |
| 400 |
195 |
- |
155 |
1275 |
| 500 |
190 |
- |
172 |
13 |
| 600 |
184 |
- |
197 |
132 |
| 700 |
174 |
- |
236 |
14 |
| 800 |
165 |
- |
272 |
143 |
| 900 |
160 |
- |
- |
15 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| r |
Density |
| l |
Coefficient of thermal conductivity |
| R |
UD. the resistivity |
Technological properties
| Name |
The value |
| Weldability |
Difficult weldability. |
