VH4L (VH4L-VI)
Production of cast bar stock for further refining during casting of blades and other shaped castings
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Heat resistant steels and alloys |
Heat resistant alloys |
Chemical composition
| Standard |
Fe, % |
Si, % |
B, % |
Ca, % |
Cr, % |
Ti, % |
Ni, % |
Al, % |
Ce, % |
C, % |
S, % |
Nb, % |
Y, % |
Mo, % |
W, % |
|---|
| OST 1-90126 - 85 |
< 0.5 |
< 0.3 |
< 0.008 |
< 0.02 |
32–35 |
0.7–1.3 |
51.092–59.27 |
0.7–1.3 |
< 0.03 |
0.03–0.1 |
< 0.01 |
0.7–1.3 |
< 0.04 |
2.3–3.5 |
4.3–5.5 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$KCU\cdot 10^{3}$$, $$\frac{J}{m^2}$$ |
d5, % |
Treatment |
|---|
| Workpiece |
OST 1-90126 - 85 |
|
|
|
780 |
200 |
4 |
|
Long-term strength
| Standard |
Treatment |
Температура испытаний, ° С |
Постоянно приложенное напряжение, МПа |
Время до разрушения в часах, ч |
|---|
| OST 1-90126 - 85 |
Hardening from 1180 ± 15 ° С, holding 4 hours, air cooling. Aging at 900 ± 10 ° С, aging 16 hours, air cooling |
800 |
206 |
40 |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| B |
% |
Bor |
| Ca |
% |
Calcium |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Ni |
% |
Nickel |
| Al |
% |
Aluminium |
| Ce |
% |
Cerium |
| C |
% |
Carbon |
| S |
% |
Sulfur |
| Nb |
% |
Niobium |
| Y |
% |
Yttrium |
| Mo |
% |
Molybdenum |
| W |
% |
Tungsten |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| d5 |
% |
Elongation at break |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$KCU\cdot 10^{3}$$ |
$$\frac{J}{m^2}$$ |
Impact toughness |