Zirconium
Zirconium is highly plastic, silver-gray alloy resistant to corrosion.
General characteristics
Zirconium as pure metal was assembled using «build-up” on hot tungsten filament. It characteristics are:
- Melting point 1855 °C;
- Boiling point 4409 °C;
- Temperature for transition to superconductivity is 0,7 K;
- Paramagnetism;
- Plasticity;
- Amenable to cold and hot processing;
- Oxidation process occurs at 200−400 °C and others.
Such properties of zirconium make it possible to work with it in various fields.
Application area
Due to high metal price, zirconium used in such industries:
- Nuclear energy;
- Metallurgy;
- Pyrotechnics;
- As structural material;
- Medicine;
- Household items (dishes);
- Like a superconductor.
In metal rolling zirconium is presented in form of sheets, ribbons, rods, ingots and other products.
Steel grades
In everyday life, such brands of zirconium are most popular:
Alloy |
Analog |
Chemical composition, % | |||||||||
Zr+Hf |
Hf |
Nb |
Be |
Ni |
Al |
Ti |
Cr |
Pb |
O2 | ||
E100 |
KTC100 |
99.7 |
0.01 |
- |
0.0005 |
0.01 |
0.005 |
0.007 |
0.005 |
0.005 |
0.14 |
E110 |
KTC 110 |
99.5 |
0.01 |
0−9-1−1 |
0.003 |
0.02 |
0.008 |
0.007 |
0.02 |
0.005 |
0.1 |
E125 |
KTC 125 |
99.5 |
0.01 |
2.4−2.7 |
0.003 |
0.02 |
0.008 |
0.007 |
0.02 |
0.005 |
0.06−0.1 |
Alloy |
UNS |
Chemical composition, % | |||||||
Zr |
Zr+Hf |
Hf |
Fe+Cr |
H |
N |
C |
O | ||
Zr 700 |
R60700 |
99.2 |
4.5 |
0.2 |
0.005 |
0.025 |
0.05 |
0.1 | |
Zr 702 |
R60702 |
99.2 |
4.5 |
0.2 |
0.005 |
0.025 |
0.05 |
0.16 | |
Zr 705 |
R60705 |
95.5 |
4.5 |
0.2 |
0.005 |
0.025 |
0.05 |
0.18 | |
Iodide |
99.8 |
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Mass units
| Kilogram (kg) | Metric ton (mt) | Pound (lb) |
|---|---|---|
| 1 000 | 1 | 2 200.62 |
| 1 | 0.001 | 2.20 |
| 0.4536 | 1 |