HN55VMTKYU (EI929)
Turbine blades and other items for use at temperatures up to 950 ° C.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Heat resistant steels and alloys |
Heat resistant alloys |
Chemical composition
| Standard |
Si, % |
B, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Ni, % |
V, % |
Al, % |
P, % |
C, % |
S, % |
Mo, % |
W, % |
|---|
| GOST 5632-72 |
< 0.5 |
< 0.02 |
< 0.5 |
12–16 |
9–12 |
1.4–2 |
51.055–65.26 |
0.2–0.8 |
3.6–4.5 |
< 0.015 |
0.04–0.1 |
< 0.01 |
4–6 |
4.5–6.5 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
|---|
| 100 |
10.8 |
| 200 |
11.7 |
| 300 |
12.4 |
| 400 |
12.8 |
| 500 |
13.4 |
| 600 |
13.8 |
| 700 |
14.1 |
| 800 |
14.5 |
| 900 |
15.5 |
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\psi$$, % |
Treatment |
|---|
| Rod |
GOST 23705 - 79 |
|
|
|
980–1180 |
730–780 |
8–12 |
9–15 |
|
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Rod |
GOST 23705 - 79 |
Hardening, aging |
285–341 |
Analogues
| Germany |
|---|
| G-NiCo 15 Cr 10 AlTiMo |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| Al |
% |
Aluminium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\sigma_{P}$$ |
$$MPa$$ |
Proportionality limit |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |
| $$\psi$$ |
% |
Reduction in cross section on fracture |