Vanadium grades
Vanadium is a silvery gray lustrous metal, No. 23 in the Mendeleev periodic system, where it is designated as V. Its atomic weight is 50.9415. The valence is +2 to +5. More than 99% of fossil vanadium is stable 51 V. The weakly radioactive isotope 52 V has a half-life of over 3.9-1017 years.
Physical qualities
Vanadium is similar to steel in appearance. It is quite hard, ductile and malleable metal. Its melting point is 1920 °C, its boiling point is about 3400 °C, and its density is 6.11 g/cm³. The crystalline lattice is cubic volumetrically centered, 0.3024 nm.
| Atomic number | Atomic (molar) mass g/mol | Oxidation state | Density [g/cm3] | Melting point t °С | Boiling point t ° C | Melting point kJ/kg |
|---|---|---|---|---|---|---|
| № 12 | 50,9415 | 0, 2, 3, 4, 5 | 6,11 | 1920°С | 3400°С | 17,5 |
Chemical properties
Chemically fairly inert. Not affected by chlorinated or seawater, diluted alkaline solutions, nitric, hydrochloric and sulfuric acids. Reacts with halogens. It forms several oxides with oxygen: VO, V2 O3, VO2, V2 O5. Dark blue VO2 is amphoteric, orange V2 O5 is acidic, other oxides are basic. Known V2 S is sulfide, VN is nitrite and V3 Si is vanadium silicide. VC carbide is extremely refractory, and melts at 2800 °C.
Applications
Vanadium is used as an alloying agent in the production of heat, wear and corrosion resistant alloys, as well as in the production of magnets. V2 O5 is a catalyst, for example, in the synthesis of sulfuric acid, when sulfuric gas is oxidized into sulfuric gas. Other oxides form persistent pigments and are therefore widely used in the paint, textile, and glass industries.
Rolled product types
Production of vanadium bars are regulated: TU 48-4-374-76 Wire Ø 0.3 - 3 mm are made of vanadium ingots of 2 grades VnP-2 and VnP-1. Today the following rolled vanadium products are produced: sheet, rod, foil, strip, ribbon, pipe, wire, micron wire. The following grades of vanadium are used: VN2A-1, BB-8, VnM-0, VNM-2, VnM-1, VnP-1, VnPl-2, VnPl-1, BX-8.
Buy at a bargain price
Evek GmbH has a wide range of vanadium bars in stock. We supply a bar VnM-1, TU 48-4-272-73; plate VnPl-1, TU 48-4-373-76; foil TU 48-4-373-76; tape VnM-0, TU 48-4-373-76; strip VnM-0, TU 48-4-373-76. At your service experienced consulting managers who are always ready to help with the choice. All products are certified. Quality is guaranteed by strict compliance with the rules of production at all stages. Supplies are made in the shortest terms. Preferential discounts for bulk orders.