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    • Vanadio - Filo

      Vanadium was discovered in Mexico City in 1801 by A.M. del Rio, and was rediscovered in 1831 by N.G. Selfström in Falun, Sweden. Vanadium is a soft, shiny, silvery metal which can be found in many different minerals, including some crude oils. It has an abundance of 160 ppm in the earth's crust and can be isolated after conversion to the pentoxide, V₂O₅, followed by direct reduction with aluminium. High purity metal can be obtained by the van Arkel process in which the iodide is decomposed on a hot filament under vacuum. Pure vanadium resists corrosion due to the formation of a protective oxide film on its surface; it is attacked by concentrated acids but not by fused alkalis. The principal use for vanadium is as an alloying constituent, particularly in steels where it is introduced as ferrovanadium, an alloy of iron and vanadium. The addition of vanadium to steels removes occluded oxygen and nitrogen, thus improving the materials' strength. A typical vanadium content would be 0.5% max.

      Filo - Un filo flessibile singolo o multiplo in una gamma di metalli puri o leghe e in una varietà di diametri. La nostra gamma comprende fili ultrafini che possono essere definiti anche microfili e nanofili.

    5 risultati

    Prodotto V-00-WR-000105 Vanadio - Filo Purity 99.8% Diametro 0.1mm Tempra Come trafilato Lunghezza .1m - 100m
    Prodotto V-00-WR-000110 Vanadio - Filo Purity 99.8% Diametro 0.25mm Tempra Hard Lunghezza .1m - 90m
    Prodotto V-00-WR-000120 Vanadio - Filo Purity 99.8% Diametro 0.5mm Tempra Come trafilato Lunghezza .1m - 300m
    Prodotto V-00-WR-000130 Vanadio - Filo Purity 99.8% Diametro 1mm Tempra Ricottura Antistress Lunghezza .1m - 300m
    Prodotto V-00-WR-000131 Vanadio - Filo Purity 99.8% Diametro 2mm Tempra Come trafilato Lunghezza .1m - 3m
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