EP975-ID (EP975ID, ZhS6UD)
used for the manufacture of disks of gas turbine engines with a working temperature up to 850 ° C
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Heat resistant steels and alloys |
Heat resistant alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
B, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Ni, % |
Zr, % |
Al, % |
Ce, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
W, % |
|---|
| TU 1-801-1839 - 99 |
< 1 |
< 0.4 |
< 0.035 |
< 0.4 |
14.1–17 |
7.5–9 |
2–2.7 |
49.61–60.5 |
< 0.04 |
4.5–5.1 |
< 0.03 |
< 0.015 |
0.1–0.16 |
< 0.01 |
1–2 |
0.8–1.5 |
9.5–11 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\psi$$, % |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
d5, % |
Treatment |
|---|
| Alloy |
TU 1-801-1839 - 99 |
|
|
|
1250 |
950 |
16 |
400 |
14 |
|
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Ni |
% |
Nickel |
| Zr |
% |
Zirconium |
| Al |
% |
Aluminium |
| Ce |
% |
Cerium |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\psi$$ |
% |
Reduction in cross section on fracture |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |