Tungsten News

Tungsten News
How Is Molybdenum Wire Manufactured? 21

Molybdenum wire, renowned for its high tensile strength, excellent thermal conductivity, and resistance to corrosion and wear, undergoes a meticulous manufacturing process to ensure its quality and performance in various applications. The manufacturing of this metal wire typically begins with the extraction of molybdenum ore from mines worldwide. Molybdenite, the primary ore of molybdenum, undergoes mining and beneficiation processes to isolate the valuable mineral. Once extracted, the molybdenum ore undergoes a series of refining and purification steps to obtain pure…

Tungsten News
Know Tungsten – Tungsten Carbide Sealing Ring 23

 Tungsten carbide sealing rings are made of tungsten carbide powder as raw material, with an appropriate amount of cobalt powder or nickel powder added as a binder, pressed into a ring shape through a certain mold, and sintered in a vacuum furnace or hydrogen reduction furnace. Tungsten carbide sealing ring has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In particular, its high hardness and wear resistance…

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Know Tungsten – Tungsten Carbide Drawing Die 19

 Tungsten carbide drawing die is one of many carbide molds. The working part of the mold is made of finely ground carbide, and the fixed part of the mold is made of No. 45 steel. The two are then assembled through interference fit. Together, in this way, the material cost of the carbide drawing mold can be reduced to the lowest and most cost-effective, truly saving customers money.

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Know Tungsten – Tungsten Carbide Insert Production Process 21

 Step 1: Raw material preparation. The main ingredients include tungsten carbide powder and cobalt powder. The quality and precise blend of raw materials are key to ensuring final blade performance. Step 2: Mixing and Compression. The mixture is compressed into a highly dense blank whose shape approximates the final blade profile. Step 3: Sintering. In a high-temperature environment, the billet is sintered, and the tungsten carbide particles combine with the cobalt powder to form a strong cemented carbide material.…

Tungsten News
Main China Tungsten Companies’ Long-Term Contract Prices in the First Half of April 2024 44

In the first half of April 2024, the long-term contract prices (including 13% value-added tax) of main China tungsten companies for wolframite concentrate (WO3≥55%) were 126,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. For scheelite concentrate (WO3≥55%), the prices were 125,500 yuan per standard ton, an increase of 2,000 yuan per standard ton compared to the second half of March 2024. And for ammonium paratungstate (APT) (national…

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[Know Molybdenum] Introduction to 3mm Thickness Welded Molybdenum Tubes 16

Molybdenum tubes are made from 3mm thick molybdenum plates rolled into tube shapes and fabricated through welding. Typically, the surface of welded molybdenum tubes undergoes sandblasting treatment to enhance surface quality and appearance. Molybdenum tubes exhibit excellent high-temperature and corrosion resistance properties, making them widely used in high-temperature environments or environments requiring corrosion resistance. This type of tubing plays a significant role in aerospace, vacuum technology, and other specialized industrial fields.

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[Know Molybdenum] TZM Threaded Rods: High-Temperature Performance and Applications 13

A threaded rod refers to a rod-shaped object with threads, commonly used for connecting and securing components. TZM threaded rod is an engineering material composed of an alloy of titanium, zirconium, and molybdenum. They are often used as connecting or fixing components in high-temperature environments due to their excellent high-temperature performance and corrosion resistance.

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[Know Tungsten] Barium Tungsten Cathode: Performance Considerations 16

 The barium tungsten cathode is composed of a porous matrix uniformly filled with barium salt. The barium oxide component in the barium salt easily absorbs moisture and other impurities. To ensure the effectiveness of the barium tungsten cathode product, it is required not to be exposed to the atmosphere for more than 48 hours before use, and maximum efforts should be made to prevent moisture, dust, and other pollutants from contacting the product. To ensure optimal performance, all operations…

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