Vanadium — silver-gray shiny metal, number 23 in the periodic table of Mendeleev, where indicated as V. Atomic mass 50,9415. The valence from +2 to +5. More than 99% of fossil vanadium is stable 51 V. slightly radioactive isotope 52 V has a half life of more than 3.9·1017 years.
In appearance similar to vanadium steel. It is quite solid, malleable and ductile metal. Temperature its melting point is 1920 °C, t° boiling point of about 3400 °C, the density is 6.11 g/cm3. The crystal lattice body-centered cubic, 0,3024 nm.
|Atomic number||Atomic (molar) mass, g/mol||The degree of oxidation||Density [g/cm3]||The melting temperature t°C||The boiling point of t°C||The heat of fusion kJ/kg|
|No. 12||50,9415||0, 2, 3, 4, 5||6,11||1920°C||3400°C||17,5|
Chemically quite inert. Not affected by chlorinated or salt water, dilute alkalis, nitric, hydrochloric and sulfuric acid. Reacts with Halogens. With oxygen it forms several oxides: VO, V2 O3, VO2, V2 O5. Dark blue VO2 is amphoteric, orange V2 O5 acid, other oxides are basic. Known V2 S — sulfide, VN — nitrite, and V3 Si silicide of vanadium. The VC carbide is very refractory, it melts at t° 2800 °C.
Approximately ¾ of produced vanadium used as an alloying additive for obtaining high-temperature, wear-resistant and corrosion-resistant alloys and as a component upon receipt of the magnets. V2 O5 catalyst is, for example, in the synthesis of sulfuric acid, when the oxidation of sulfur dioxide to sulfur. Other oxides formed stable pigments, so it is widely used in paint, textile, glass industry.
Manufacture of bars of vanadium normalized: TU 48−4-374−76 Wire Ø 0.3 — 3 mm are made of 2 grades of GNP 2 and GNP-1 of vanadium ingots. Today made following the hire of vanadium: sheet, rod, foil, strip, ribbon, tube, wire, micron wire. Use the following grades of vanadium: ВН2А-1, BB-8, VNM-0, VNM-2, VNM-1, GDP-1, Vnpl-2, Wnpl-1, VH-8.
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In stock, LLC «Electrocentury-steel» in a wide range of rolled vanadium. Supply rod EXT M-1, ТУ48−4-272−73; plate Vnpl-1, TU 48−4-373−76; foil ТУ48−4-373−76; the tape VNM-0, TU 48−4-373−76; strip VNM-0, TU 48−4-373−76. It offers experienced managers-consultants, who are always ready to help with the selection. All products are certified. Quality is guaranteed by strict observance of the norms of production at all stages. Deliveries are performed in the shortest possible time. For wholesale orders there is a reduced discount.