31H19N9MVBTL (EI572L, 30H19NMVBTL)
for heat-resistant parts: turbochargers turbine impellers, turbine blades and guide; heat resistant austenitic steel
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Steels and alloys for castings |
Steel for casting with special properties |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
Cr, % |
Ti, % |
Ni, % |
P, % |
C, % |
S, % |
Nb, % |
Mo, % |
W, % |
|---|
| GOST 977-88 |
63.295–70.54 |
< 0.8 |
0.8–1.5 |
18–20 |
0.2–0.5 |
8–10 |
< 0.035 |
0.26–0.35 |
< 0.02 |
0.2–0.5 |
1–1.5 |
1–1.5 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{P}$$, $$MPa$$ |
$$\epsilon_L$$, % |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
Treatment |
|---|
| Castings |
GOST 977-88 |
|
|
|
540 |
294 |
12 |
294 |
Hardening of 1150-1180 ° C, cooling water, Aging 700-800 ° C |
Режимы термической обработки
| Обработка |
|---|
| Закалка 1150 - 1180 ° C, охлаждение в воде, Старение 700 - 800 ° C |
Analogues
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Ni |
% |
Nickel |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
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) |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |