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Tungsten News
[Know Tungsten] Packaging, Storage and Transportation of Tungsten Flux 106

Tungsten flux needs to be packaged in moisture-proof and sealed packaging. The supply and demand parties shall negotiate and decide whether to package in bags, bottles, cans or barrels, etc. The packaging label name and specifications and other information. During storage and transportation, high temperature, fire source and strong oxidants should be avoided, and ventilation and dryness should be maintained. Handle with care to prevent leakage.

Tungsten News
[Know Tungsten] What is Tungsten Flux? 107

Tungsten flux, also known as tungsten particles, is a granular substance made of high-purity tungsten metal (usually purity ≥99.95%). It has a silver-gray or light-gray polyhedral structure and has the characteristics of high density, high melting point, high hardness, corrosion resistance, strong conductivity and small thermal expansion coefficient. It is generally used as a flux in carbon-sulfur analyzers to analyze the carbon and sulfur content in steel, alloys, ceramics, minerals and other inorganic substances. Tungsten flux can promote the melting…

Tungsten News
[Know Tungsten] Packaging, Storage and Transportation of Ferro Tungsten 89

The packaging, storage and transportation of ferro tungsten directly affect its quality and safety. Ferro tungsten is generally packaged in iron barrels, and the weight is determined by negotiation between the supply and demand parties. Generally, the net weight of each barrel does not exceed 100kg. During storage and transportation, ferro tungsten should be stored in a dry and ventilated warehouse, avoiding high temperature and humidity, and away from fire sources and flammable materials. Use stable tools during transportation, load…

Tungsten News
[Know Tungsten] What is Ferro Tungsten? 104

Ferro Tungsten is an alloy with tungsten and iron as the main components, usually containing 65%-85% tungsten, a small amount of iron and other trace elements. It is smelted in an electric arc furnace or a metallurgical furnace and has high density, high hardness and excellent high temperature resistance. Ferro Tungsten is widely used in the steel industry as an additive to improve the hardness, wear resistance and corrosion resistance of steel, especially in the manufacture of high-speed steel, tool…

Tungsten News
[Know Tungsten] What Is CuCrZr Electrode? 75

Chromium zirconium copper (CuCrZr) electrodes combine excellent conductivity, high hardness, and heat resistance, ensuring stable performance under high-temperature and heavy-load conditions. They are widely used in resistance welding, EDM, mold making, aerospace, and automotive industries. Compared to regular copper electrodes, CuCrZr electrode offers greater wear resistance and longer service life. Custom sizes and specifications are available to meet diverse precision manufacturing needs.

Tungsten News
[Know Tungsten] Tungsten-copper Rods Are Ideal for Welding Electrodes 66

Tungsten-copper rods are composite materials combining tungsten’s high melting point and strength with copper’s excellent thermal and electrical conductivity. They offer high-temperature resistance, wear resistance, and stable electrical performance, making them ideal for electrodes, high-voltage discharge tubes, EDM, welding electrodes, aerospace, and military electronics. The tungsten-copper ratio can be adjusted to optimize properties, with custom sizes available for various advanced manufacturing needs.

Tungsten News
[Know Molybdenum] What Are Mo-Cu Heat Sinks? 60

Mo-Cu heat sinks are advanced thermal management materials combining molybdenum’s strength and stability with copper’s excellent thermal conductivity. They offer a low thermal expansion coefficient and are widely used in high-power semiconductors, microwave modules, and aerospace electronics. Mo-Cu heat sinks effectively lower chip temperatures and enhance device reliability. Through powder metallurgy, the Mo-Cu ratio can be adjusted to meet specific thermal requirements, with custom sizes and shapes available for various applications.

Tungsten News
[Know Molybdenum] Molybdenum Crucible 51

The molybdenum crucible, made from high-purity molybdenum, is a durable container designed for high-temperature and vacuum smelting, as well as crystal growth. With its high melting point, excellent corrosion resistance, and strong mechanical properties, it performs reliably in extreme environments. It is ideal for processing high-purity metals, rare earths, and special alloys. Thanks to its low vapor pressure and good thermal conductivity, it is widely used in semiconductor, optoelectronic, and aerospace material production. Various shapes and sizes, including round-bottom, conical,…

Tungsten News
Q1 2025 Tungsten Trioxide Imports Decreased by 88% 77

In Q1 2025, China’s tungsten products imports reached 3,832.85 tons, representing a year-on-year increase of 24.26%. Among them, the import volume of tungsten powder was 15.10 tons, a year-on-year increase of 93.21%; the import volume of tungsten wire was 1,004 kilograms, a year-on-year decrease of 29.84%; the import volume of tungsten carbide was 15.52 tons, a year-on-year decrease of 54.77%; the import volume of tungsten trioxide was 5,458 kilograms, a year-on-year decrease of 88.86%; and the import volume of tungsten…

Tungsten News
Q1 2025 Ammonium Paratungstate Exports Reach 122 Tons 82

In Q1 2025, China’s tungsten product exports totaled 3,316.95 tons, down 24.06% year-on-year. Specific export figures include: Tungsten powder: 410.84 tons, up 13.02% year-on-year. Tungsten wire: 89.27 tons, up 0.47% year-on-year. Tungsten carbide: 291.58 tons, down 69.51% year-on-year. Ammonium paratungstate: 122.50 tons, up 10.66% year-on-year. Tungsten trioxide: 330.48 tons, down 48.74% year-on-year.

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