Vanadium physical and mechanical properties. Application.
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Technical specifications
Vanadium is a plastic, strong metal similar to steel. The melting point is about 1920 ° C, density 6.11 g / cm³. The vanadium is quite inert chemically. It is resistant to the action of water, dilute solutions of alkalis and acids. With oxygen it forms several oxides: V2 O3, VO, V2 O5, VO2. Carbide VC — extremely refractory, melts only at 2800 ° C ,.
Physical properties
| Description | Value |
|---|---|
| Chemical symbol | V |
| Atomic (molar) mass g / mol | 50,9415 |
| Degrees of oxidation | 5, 4, 3, 2, 0 |
| Density [g / cm3] | 6.11 |
| Melting point t ° C | 1920 ° C |
| Heat of melting kJ / mol | 17.5 |
| Thermal conductivity K [W / (m · K)] | 30.7 |
| Heat of evaporation kJ / mol | 480 |
Using
About ¾ of all vanadium produced is used as a doping additive for smelting of wear-resistant, corrosion-resistant high-temperature alloys, and also as an additive in the production of magnetic alloys. V2 O5 — catalyst for the synthesis of sulfuric acid, accelerates the oxidation of sulfur dioxide gas to sulfuric acid. Other oxides are able to form persistent pigments, are applied by textile, paint and varnish, glass industry.
Storage
In a special warehouse or under a canopy, where adequate protection against mechanical and other damages is provided.
Delivery, price
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