13H11N2V2MF (EI961, 1H12N2VMF)
Compressor discs, blades and other loaded parts.
various parts of gas turbines, long operating at temperatures up to 600 degrees.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Heat resistant steels and alloys |
Heat resistant high alloy steel |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ni, % |
V, % |
P, % |
C, % |
S, % |
Mo, % |
W, % |
|---|
| GOST 5632-72 |
81.98–85.77 |
< 0.6 |
< 0.6 |
10.5–12 |
1.5–1.8 |
0.18–0.3 |
< 0.03 |
0.1–0.16 |
< 0.03 |
0.35–0.5 |
1.6–2 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$E\cdot 10^{9}$$, $$MPa$$ |
$$\alpha\cdot 10^{6}$$, $$K^{-1}$$ |
$$\varkappa$$, $$\frac{W}{m\cdot K}$$ |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
200 |
|
20.9 |
7800 |
| 100 |
198 |
11 |
22.3 |
|
| 200 |
187 |
11.7 |
24 |
|
| 300 |
175 |
12.2 |
25 |
|
| 400 |
165 |
13.3 |
27.2 |
|
| 450 |
157 |
|
|
|
| 500 |
145 |
13 |
28 |
|
| 550 |
125 |
|
|
|
| 600 |
109 |
13.3 |
28.5 |
|
| 700 |
|
|
28.9 |
|
| 800 |
|
|
31.4 |
|
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$\psi$$, % |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
Treatment |
|---|
| Rod |
GOST 5949-75 |
|
|
|
880–1080 |
735–930 |
13–15 |
55 |
880 |
Hardening and tempering |
| Workpiece |
|
|
|
|
950 |
850 |
10 |
50 |
600 |
Hardening 1000 ° C, oil, Holidays 580-670 ° C |
Brinell hardness number
| Rolling |
Standard |
Classifiers |
Value, HBW |
| Rod |
GOST 5949-75 |
|
269 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ni |
% |
Nickel |
| V |
% |
Vanadium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$E\cdot 10^{9}$$ |
$$MPa$$ |
Elastic modulus |
| $$\alpha\cdot 10^{6}$$ |
$$K^{-1}$$ |
Coefficient of thermal (linear) expansion (range 20°C–T) |
| $$\varkappa$$ |
$$\frac{W}{m\cdot K}$$ |
Coefficient of thermal conductivity (the heat capacity of the material) |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
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 |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |