The metal niobium
Niobium (Nb) — 41-th element of the periodic table of D. I. Mendeleev. The atomic weight of 93,986, Is a refractory metal with a silvery-grayish color with a melting point of 2468 °C has a number of advantages. In industry it is used both in pure form and as alloying component. For example, an alloy of niobium and silver is produced collectible coins (Austria). Absolute advantages of metal are:
- good machinability;
- corrosion resistance;
- excellent weldability;
- getter properties.
|Specific gravity Nb||8,57 g/cm3|
|Melting point||2468 °C|
|Boiling point||4742 °C|
|The specific heat of fusion||Of 26.8 kJ/mol|
|The latent heat of vaporization||680 kJ/mol|
|The degree of oxidation||5, 4, 3, 2, 1|
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Refractory niobium and its alloys are essential for parts of aircraft and missiles; nuclear accelerators, nuclear boilers shells (niobium carbide, t° melting 3480°C), and containers for molten metals and storage of radioactive waste. Coolants in nuclear reactors (liquid sodium and potassium), moving on niobium tubes. Niobium demand in the manufacture of electrolytic capacitors; cathodes, anodes, grids, powerful generator tubes. Alloys of niobium produces chemical equipment. They alloyed chromium steel. He has also found application in cryotron — superconducting components of the computing machines.
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To buy, best price
The company «Auremo» — the supplier of rare earth metals in the countries of Eastern and Central Europe realises an alloy of niobium on the most favorable terms. The experience of our company will allow You to easily buy any alloys. The catalog is a wide range of products. The price depends on order volume and additional conditions of delivery. Wholesale customers — the price is preferential. Connected experienced managers — will help to quickly buy the necessary products. A large range will not leave You without a choice.