Tag: Tungsten

When Was Tungsten First Used in Light Bulbs

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More than 350 years ago, porcelain makers in China incorporated a unique peach color into their designs by means of a tungsten pigment that was not known in the West. Indeed it was not for another century that chemists in Europe became aware of it. In 1779, Peter Woulfe examined a mineral from Sweden and […]

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What Is Rhenium Metal Powder Used to Make?

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What Is Rhenium Metal Powder Used to Make? Only tungsten and carbon have higher melting points. Rhenium has good wear resistance and it can withstand arc corrosion. It is soluble in nitric and sulphuric acids. Applications for the metal include its use as an alloying element with tungsten. Rhenium powder is a light-gray metal powder made […]

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TUNGSTEN – A Metal of Superlatives

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Tungsten (W) is one of the so-called transition metals with the atomic number 74. The shiny gray metal is in a solid state at room temperature. Tungsten is characterized by special physical and chemical properties: Heat resistance: After carbon, tungsten has the highest melting point of all elements at 3422°C. It has a boiling point […]

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How Refractory Metals were Discovered and Developed?

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How Refractory Metals were Discovered and Developed? In today’s article, we’ll take a look at how refractory metals were discovered and developed. Refractory metals are referred to elements or alloys with melting points over 3002℉, such as tungsten, molybdenum, tantalum, niobium, titanium, zirconium, hafnium, vanadium, chromium, rhenium and alloys including tungsten alloys, molybdenum alloys, niobium […]

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What Is the Industrial Diamond?

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What Is the Industrial Diamond? Tungsten is a metal element with an atomic number of 74 and an atomic weight of 183.84. It’s usually steel gray or silver-white with high hardness and high melting point. It has air corrosion resistance at room temperature. The main application of tungsten is manufacturing filament, high-speed cutting alloy steel, and super-hard mold. […]

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What Are the Characteristics of Refractory Metal?

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What are the Characteristics of Refractory Metal? Want to know the characteristics of refractory metal? Then you’ve come to the right place. In this article, we’ll talk about the characteristics of refractory metal. First, let’s take a look at the definition of the refractory metal. Definition of Refractory Metal Refractory metals are referred to metals […]

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