Wolfram

W

Heat resistant, density, hardness

Tungsten, in English tungsten, is a gray shiny and very heavy metal and has the highest melting and boiling point of all metals. The only element in the periodic table that has a higher melting point is carbon. Tungsten is the best when it comes to heat resistance: it has the highest melting point of all metals, namely 3422°C. Thanks to this, it is exceptionally suitable for applications with very high temperatures.

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tube
Wolfram tube
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wire
Wolfram wire
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foil
Wolfram foil
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plate
Wolfram plate
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rod
Wolfram rod
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tube
Wolfram tube
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Wolfram and its exceptional heat resistance

Wolfram is known for its exceptionally high melting point of 3,422 °C, the highest of all metals. This heat resistance makes it ideal for applications that must withstand extreme temperatures, such as furnace components and industrial heating elements. Additionally, wolfram has a low coefficient of expansion (4.5 compared to 29.3 for lead), which leads to excellent dimensional stability. This makes this metal practically indestructible and suitable for long-term exposure to high temperatures. Some commonly used wolfram alloys are W90NiFeMo, W90NiFe, W92.5NiFe, and W97NiFe.

Wolfram as radiation protection in the medical sector

Thanks to its high density of 19.25 g/cm³ and non-toxic nature, wolfram is widely used in the medical sector. It is used for radiation protection in X-ray technology and as protection against radioactive radiation, where it represents a more effective and safer alternative to lead. Due to its high absorption capacity for X-ray and gamma radiation, wolfram is used in collimators and protective shields. Furthermore, this metal is excellent for machining using CNC turning and milling, while maintaining dimensional stability and surface quality. With properties such as high wear resistance, thermal conductivity, and oxidation resistance, wolfram remains an indispensable material in industrial and medical applications.

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