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High Pure Tungsten Crucible - coppertungstenalloy

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Tungsten Metal (W) Element Chemical + Physical Properties

Pure tungsten metal was first isolated by two Spanish chemists, the de Elhujar brothers in 1783. Tungsten is a greyish-white lustrous metal, which is a solid at room temperature. Tungsten has the highest melting point and lowest vapor pressure of all metals, and at temperatures over 1650°C has the highest tensile strength....<<more>>

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Wolfram – CarboTech

Wolfram has a long history of use for filaments in the lamp industry. The material have the best high-temperature strength of all the refractory metals. For this reason, it is used in very high temperature vacuum furnaces....<<more>>

Systems Zirconium-Molybdenum and Zirconium-Wolfram

Systems Zirconium-Molybdenum and Zirconium-Wolfram by R. F. Domagala, D. 1. McPherson, and M. Hansen without opening the furnace. Due to the large difference between the melting This was overcome, after many variations in technique, by melting a pure wolfram charge at high power levels (700 to 900 amp) and slowly adding zirconium to ...<<more>>

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wolfram birdcage heater for sapphire crystal growth vacuum

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What material is used to hold molten iron in a furnace?

What material is used to hold molten iron in a furnace? "Iron, Wrought" has a melting temperature of 1482 - 1593 °C. There are a couple of other metals which have higher melting points (e.g. Wolfram (tungsten) with over 3400 °C), but all I can think of are much more expensive. (requires either carefully controlled melting in a vacuum...