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2006-12-06 09:14:30 · 4 answers · asked by marquise258 1 in Science & Mathematics Chemistry

Can you please also tell me how much it would cost for about i pound of tungsten

2006-12-06 09:21:22 · update #1

4 answers

One of the best known uses for tungsten (chemical symbol W from its German name, wolfram) is for light bulb filaments. However, tungsten is also very useful as a "refractory metal," meaning a structural metal that maintains its structural properties at very high temperatures, due to its extremely high melting point of 6192 °F. Tungsten can be used for crucibles, for example, in which other metals are melted for casting. The compound tungsten carbide is also highly useful, being a very hard material from which machine tools can be made.

I don't know how much a pound of tungsten would cost, and it would depend on the form in which you purchased it. However, Mi-Tech Metals, Inc., is a leading supplier of tungsten (see third reference), and they might be able to provide you with that information.

2006-12-06 09:16:34 · answer #1 · answered by DavidK93 7 · 0 0

Ammonium Paratungste - the commonly traded form of tungsten is trading at about $250 for 10Kg. You then need to extract the pure tungsten powder and then form the alloy - generally by sintering and then form the shape you need

A rough sintered part weighing about 1kg would be about £50

2006-12-08 05:15:51 · answer #2 · answered by Mark G W 2 · 0 0

Hi. Mostly to make the filaments in light bulbs but also as an alloying agent for certain metals.

2006-12-06 17:16:23 · answer #3 · answered by Cirric 7 · 0 0

Lightbulb filaments are usually made with tungstun. It has high resistance and high ductility, and fairly good tensile strength - all of which you need for light bulbs.

2006-12-06 17:17:26 · answer #4 · answered by Lorenzo Steed 7 · 0 0

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