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Vanadium is a shiny metal with a silvery-gray sheen, the 23rd element of the periodic system of Mendeleev, where indicated by the letter V. Atomic mass is approaching 51. This electropositive element with a valence of 2, 3, 4 or 5. More than 99% of the applied vanadium — 51 is stable nd isotope, which has a small admixture of weakly radioactive 52V.
It is quite solid, malleable and ductile metal, is more resistant to heat than titanium. The melting point of vanadium = 1920 °C, the density is 6.11 g/cm3. Crystal lattice is cubic, of 0.3 nm. This chemically inert metal. He is not exposed to the industrial water condensate, salt solutions, alkalis, diluted inorganic acids. Reacts with Halogens. With oxygen it forms a number of oxides with a valence of 2, 3, 4 or 5. Tetravalent oxide has a dark-blue hue and is amphoteric compound, 5-valent oxide has an orange color and is acidic, other oxides are basic. The VC carbide is very refractory, has t° melting point of 2800 °C.
More than 70% of produced vanadium is implemented for alloying of heat-resistant, wear-resistant and resistant to aggressive environments alloys and as a component of magnets. 5-valent oxide is a catalyst, synthesis of sulphuric acid accelerates the oxidation of sulfur dioxide to sulfur. The oxides of vanadium formed stable pigments, widely used in textile, paint, glass production.
Manufacturer of vanadium bars is normalized: TR 48−4-374−76 Wire cross-sections up to 3 mm is made of 2 grades of GNP 2 and GNP-1. Today are made following the hire of vanadium: a rod, pipe, plate, sheet, foil, strip, ribbon, wire, micron wire. Used for the production of the following brands: VNM-0, VNM-1, VNM-2, ВН2А-1, BB-8, GDP-1, Vnpl-2, Wnpl-1, VH-8.
|The thickness of the sheet||Allowable deviation||Width||Allowable deviation of width||Length||The permissible deviation of the length|
|Class I||Class II|
|0,1−0,15||± 0,01||± 0,02||50−250||± 2||100−1000||± 5|
|0,15−0,3||± 0,02||± 0,03|
|0,3−0,5||± 0,03||± 0,04|
|0,5−0,7||± 0,04||± 0,05|
|0,7−1||± 0,05||± 0,08||Between 50 and 800||± 3|
|1 — 2||± 0,06||± 0,1|
|2 — 3||± 0,08||± 0,12|
|3 to 4||± 0,1||± 0,2|
|4 — 5||± 0,12||± 0,3|
In stock, LLC «_" is 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. In the absence of the range of products necessary parameters can be considered the manufacture of semi-finished products on the presented drawings.
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The reasonable cost of semi-finished products of vanadium, a wide range of sizes and a great variety of sizes allows any customer to choose the product that most fully meets all requests. High quality workmanship and full compliance of products with the requirements of the state normative documents and technical conditions for the supply — the main criterion, which adheres to our company in working with clients. The exact chemical composition and adjusted manufacturing technology will ensure reliable operation of products. All characteristics correspond to the declared quality, reasonable prices and convenient delivery method is the additional benefit of working with us.