Tungsten metal production technology
Enrichment
The technology of tungsten metal production begins all with ore beneficiation, since the amount of tungsten in it usually does not exceed 1 - 2%. The technology of gravity concentration of tungsten is based on the fact that tungsten is a very heavy metal. This process involves a multi-stage crushing of the ore. After the ore is finely crushed through vibrating screen classifications, multistage settling is carried out. Then the ballast products of coarse grade settling will enter the mill for regrinding. .
Smelting
Tungsten smelting can be done in a vacuum arc furnace at constant or alternating current. For stable combustion of the arc, it is necessary to exclude the formation of. side arcs between the electrode and the wall of the crystallizer. The arc length (20-35 mm) must not exceed the size of the gap between the cathode and the crystallizer wall Arc melting gives tungsten ingots of increased brittleness because impurities are released on the grain boundary: oxides, carbides, nitrides. But if initially tungsten is melted in an electron-beam furnace, the content of impurities decreases. However, ingots after electron-beam refining melting have a very coarse-crystalline structure. Therefore, after electron-beam melting the ingots are remelted in an arc furnace. Small amounts of zirconium or niobium carbides are added to refine grains during arc smelting. Recently, smelting in plasma furnaces in argon or argon-hydrogen plasma jet has become widespread. The supplier Auremo offers to buy high quality tungsten corresponding to GOST and international standards.
Powder metallurgy
The production technology of tungsten semi-finished products by means of powder metallurgy should be singled out. It is it that allows to give special properties to the metal as well as to increase its processability. At the same time, this method is not suitable for manufacturing large-size blanks. In such cases, hydrostatic pressing is used.
Furnizor
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Buy, bargain price
Supplier "Auremo" offers to buy tungsten, the price - due to the technological features of production without including additional costs. The company's website displays information about the latest arrivals of products. It is possible to buy products with non-standard parameters to order. The price of the order depends on the volume and additional terms of delivery. The supplier "Auremo" offers tungsten in bulk or in installments. We have the best price-quality ratio for the whole range of products. In this segment Auremo is a profitable supplier. The price is optimum. We are waiting for your orders.
