Tungsten News

Tungsten News
[Know Tungsten] The Performance of U-shaped EB Tungsten Filament 61

The U-shaped EB tungsten filament is a high-purity tungsten wire heating element bent into a U shape, widely used in electron beam evaporation coating equipment. Its compact structure and easy installation offer excellent high-temperature strength, corrosion resistance, and superior electron emission performance, making it suitable for long-term stable operation in high vacuum and high-temperature environments. The U-shaped design helps focus the electron beam, enhancing heating efficiency and evaporation uniformity. It is extensively applied in optical coatings, semiconductor manufacturing, and metal…

Tungsten News
[Know Tungsten] High-Performance TIG Welding Choice: Thorium Tungsten Rod 66

Thorium tungsten rod is a tungsten alloy bar containing 2% thorium oxide, known for its excellent high-temperature strength, resistance to electron emission, and thermal stability. The addition of thorium enhances the electrical conductivity and arc resistance of tungsten, making thorium tungsten rods widely used in TIG welding, electrode manufacturing, plasma cutting, and high-temperature vacuum equipment. They are especially suitable for applications requiring high current density and continuous operation, offering stable arc initiation and extended service life.

Tungsten News
[Know Tungsten] What is Cleaned Tungsten Wire? 117

Cleaned Tungsten Wire, also known as white tungsten wire, does not refer to tungsten wire with a white surface, but refers to tungsten wire that has been electrolytically washed and polished. The surface of this tungsten wire is smooth and clean, without graphite emulsion attached, and presents a silver-gray metallic luster. Cleaned Tungsten Wire has uniform diameter, good processing and forming performance, long life, and high light efficiency. It is widely used in various types of electric vacuum devices as…

Tungsten News
[Know Tungsten] Why is the Surface of Black Tungsten Wire Black? 91

The black surface of black tungsten wire is mainly because graphite emulsion is sprayed during the drawing process. As a lubricant, graphite emulsion can effectively reduce the friction coefficient between the tungsten wire and the drawing die, reduce the risk of tungsten wire breakage during the drawing process, and extend the service life of the drawing die. After the graphite emulsion adheres to the surface of the tungsten wire, a thin black coating will be formed, which is also the…

Tungsten News
[Know Tungsten] Tungsten Wire for Photovoltaic Diamond Wire Saws 140

In the photovoltaic field, tungsten wire is generally used as a diamond wire base material for silicon wafer cutting. It has high toughness, high tensile strength, high temperature resistance, corrosion resistance and other characteristics. Compared with traditional high-carbon steel wire, tungsten wire has great potential for wire diameter refinement. At present, the diameter of tungsten wire used in diamond wire saws in the photovoltaic industry is about 25-35μm, which is only half the diameter of an adult hair. The diameter…

Tungsten News
[Know Tungsten] Tungsten Wire for Electrically Heated Glass Windows 75

Tungsten wire is suitable for heating elements of electrically heated glass windows due to its high temperature resistance and resistance effect. Its working principle is to embed ultra-fine tungsten wire into the glass interlayer, generate resistance heat by powering on, and evenly heat the glass surface, thereby achieving functions such as rapid defrosting, anti-fogging and temperature regulation. This technology can be applied to automobile windshields and rearview mirrors, aircraft windows and smart glass for buildings.

Tungsten News
Molybdenum Market – July 9, 2025 153

Molybdenum market update on July 9, 2025 The domestic molybdenum market is performing well, marked by rapid price increases for most products, active downstream inquiries, strong supplier reluctance to sell with bullish sentiment, decent transaction volumes, and high industry expectations for the future. Notably, this price surge has injected robust momentum into the market, with many product prices not only surpassing June’s highs but also setting new annual records. However, traders should proceed cautiously, as the current weak steel market…

Tungsten News
Rare Earth Market – July 9, 2025 158

Rare earth market update on July 9, 2025 The domestic rare earth market continues to operate with a strong upward trend, driven by increased downstream demand, limited growth in spot supply, and persistently high overseas rare earth prices. Many suppliers are reluctant to sell and are raising prices. However, price trends for mainstream light and heavy rare earth products show some divergence: praseodymium-neodymium (PrNd) prices have seen expanded gains today, while dysprosium-terbium (DyTb) prices remain stable. Currently, praseodymium-neodymium oxide and…

Tungsten News
Tungsten Prices Soars Unabated – July 9, 2025 919

Analysis of Latest Tungsten Market from Chinatungsten Online The tungsten market remains strong, and the prices of major tungsten raw materials are at their highest point so far. The price of 65% wolframite concentrate is at RMB 175,000/ton, up 22.4% from the beginning of the year. Resource scarcity is the main driver of the market. Holders are reluctant to sell, downstream users have limited ability to bear the price of raw materials, and there is not much spot circulation in…

Tungsten News
Impact of EU Restrictions on Chinese Medical Product Access on China’s Tungsten Alloy Enterprises 76

According to reports from the Global Times and related sources, starting June 20, 2025, the EU imposed restrictions on Chinese medical devices from participating in its public procurement for contracts exceeding €5 million. In response, on July 6, China’s Ministry of Finance announced reciprocal measures, excluding EU enterprises (excluding EU-funded companies operating in China) from participating in Chinese government medical device procurements over RMB 45 million, and limiting the share of imported products from non-EU companies in the EU to…

1 … 21 22 23 24 25 … 115