VDP
The essence of the VDP is the remelting of the metal in a high-power vacuum arc furnace, the drop transfer of the electrode metal and the successive solidification of the metal in a water-cooled mold.
Classification
| Country |
Section |
Category |
| CIS, Russia, Ukraine |
Refractory metals, carbide |
Tantalum |
Chemical composition
| Standard |
Fe, % |
Si, % |
Sn, % |
Mg, % |
Ca, % |
Mn, % |
Co, % |
Cr, % |
Ti, % |
Cu, % |
Ni, % |
Zr, % |
Al, % |
Na, % |
C, % |
O, % |
Nb, % |
Mo, % |
N, % |
W, % |
H, % |
Ta, % |
|---|
|
< 0.012 |
< 0.012 |
< 0.001 |
< 0.002 |
< 0.01 |
< 0.0015 |
< 0.001 |
< 0.0025 |
< 0.003 |
< 0.0005 |
< 0.002 |
< 0.0007 |
< 0.0005 |
< 0.15 |
< 0.05 |
< 0.1 |
< 0.3 |
< 0.0005 |
< 0.1 |
< 0.05 |
< 0.004 |
< 99.9 |
Information on suppliers
Physical characteristics
| Temperature, °C |
$$\rho$$, $$\frac{kg}{m^3}$$ |
|---|
| 20 |
16650 |
Casting and technological parameters
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Sn |
% |
Tin |
| Mg |
% |
Magnesium |
| Ca |
% |
Calcium |
| Mn |
% |
Manganese |
| Co |
% |
Cobalt |
| Cr |
% |
Chrome |
| Ti |
% |
Titan |
| Cu |
% |
Copper |
| Ni |
% |
Nickel |
| Zr |
% |
Zirconium |
| Al |
% |
Aluminium |
| Na |
% |
Sodium |
| C |
% |
Carbon |
| O |
% |
Oxygen |
| Nb |
% |
Niobium |
| Mo |
% |
Molybdenum |
| N |
% |
Nitrogen |
| W |
% |
Tungsten |
| H |
% |
Hydrogen |
| Ta |
% |
Tantalum |
Description of physical characteristics
| Parameter |
Units of measurement |
Description |
| $$\rho$$ |
$$\frac{kg}{m^3}$$ |
The density of the material |
Description of the casting and technological parameters
| Parameter |
Units of measurement |
Description |
| melting point |
°C |
The temperature at which solid crystalline body makes the transition to the liquid state and Vice versa |