Tungsten (also called wolfram) [14][15] is a chemical element; it has symbol W and atomic number 74. It is a rare metal found naturally on Earth almost exclusively as compounds with other elements. It was identified as a distinct element in 1781 and first isolated as a metal in 1783.

2025年1月9日 · tungsten (W), chemical element, an exceptionally strong refractory metal of Group 6 (VIb) of the periodic table, used in steels to increase hardness and strength and in lamp filaments.

Tungsten (IV) sulfide is a high temperature lubricant and component of catalyst for hydrodesulfurization (remove sulfur from natural gas). Oxides of tungsten are used in manufacturing of ceramic glazes. Tungsten salts are widely used in chemical and tanning industries. Tungsten is also used in printing nozzle for 3D printing.

2024年1月19日 · As the heaviest known engineering metal, tungsten has earned the crown for strength, weight, and conductivity. Due to its desirable characteristics, we at Xometry and our customers have worked together to create custom parts from the material.

2016年11月18日 · Pure tungsten is a silver-white metal and when made into a fine powder can be combustible and can spontaneously ignite. Natural tungsten contains five stable isotopes and 21 other unstable...

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.

- Tungsten is a chemical element identified by the symbol "W" and the atomic number 74. - This element is known for its exceptional strength, high melting point, and usage in a variety of applications, ranging from light bulb filaments to aerospace technology.

2019年12月8日 · Tungsten is a dull silver-colored metal with the highest melting point of any pure metal. Also known as Wolfram, from which the element takes its symbol, W, tungsten is more resistant to fracturing than diamond and is much harder than steel.

Tungsten (pronunciation TUNG-sten [2]), represented by the chemical symbol or formula W [1], is a hard, brittle element belonging to the family of transition metals [3]. Naturally occurring W is a mixture of 5 isotopes with mass numbers 180, 182, 183, 184 and 186 [1, 3] .

2019年7月3日 · Here is a collection of tungsten or wolfram facts, including the element's properties, uses, and sources. Tungsten Atomic Number: 74. Tungsten Atomic Weight: 183.85.