Tungsten News

Tungsten News
The Usages and Production Process of Molybdenum Wire 200

As a typical molybdenum product, molybdenum wire is a kind of thin wire after forging and drawing of molybdenum rod. With high purity of more than 99.95% and owing the advantages of molybdenum metal, it can be widely used in the various fields. Generally, the diameter is between 0.02-12.00mm. It is worth mentioning that, in order to further improve the its performance and expand its application range, manufacturers often add lanthanum, yttrium and other rare earth elements in its manufacture.…

Tungsten News
Market Research of Tungsten Wire for Diamond Wire Saws in China’s Photovoltaic Industry (I) 798

Chapter 1 Basic Concept of Solar Energy, Photovoltaic (PV) & Tungsten Wire The 2021 edition of “China Potovoltaic Industry Development Roadmap”, edited by experts at the China Photovoltaic Industry Association (CPIA) and CCID Thinktank Institute of Integrated Circuits, was released on February 23, 2022, under the guidance of the Ministry of Industry and Information Technology of the People’s Republic of China. Basic on authoritative statistics and basic thinking of the article, China Tungsten Online provides an overview of the background…

Tungsten News
Import & Export Data of China’s Tungsten Products before May 2022 557

China Tungsten Online collates the import and export data of China’s tungsten products published by General Administration of Customs of the People’s Republic of China as follows: From January to may in 2022, China’s tungsten products imports totaled 3300.50 tons, an increase of 8.72% year-on-year; The cumulative import amount was 548.936 million CNY, an increase of 51.64% year-on-year. Among them, from January to may, China imported 2060.17 tons of Tungsten ores and concentrates, a year-on-year decrease of 5.53%; Tungsten trioxide…

Tungsten News
Import & Export Data of China’s Molybdenum Products before May 2022 480

According to the customs data collated through China Tungsten online survey, the import volume of molybdenum products in China from January to May 2022 totaled 12806.91 tons, a year-on-year decrease of 62.59%; The accumulated import amount was 1503621200 CNY, a year-on-year decrease of 38.62%. From January to May, China imported 980.00 tons of roasted molybdenum ore and its concentrate, a year-on-year decrease of 86.03%; Other molybdenum ores and concentrates were 9588.12 tons, a year-on-year decrease of 57.71%; Molybdenum oxide and…

Tungsten News
What Do You Know About the Applications of Molybdenum Foil? 265

What is molybdenum foil? Normally, a plate with thickness less than 0.1mm will be called foil. It is lightweight and flexible, and is produced by powder metallurgy with purity more than 99.95%. Chinatungsten Online has sophisticated production equipment, which can produce moly foil according to the thickness, surface condition and tolerance required by customers. Mo foil applications Molybdenum can withstand extremely high temperatures without significantly changing, expanding or softening. This ability makes its engagement in high temperature situations very useful.…

Tungsten News
Overview of Import & Export of China’s Cutting Tools 2021 & Development Recent Years 671

1. The Total Consumption Scale, Import and Export Calculation of Cutting Tool Market of China in 2021 The tool branch of China Machine Tool & Tool Builders’ Association (CMTBA) has calculated the total consumption scale and import and export volume of China’s tool market in 2021 based on the investigation and analysis of the statistical data of member department, customs data, tool raw material statistical data, tool gathering area data, etc. 1.1 Total consumption scale of China’s cutting tool market…

Tungsten News
Why Tungsten Wire Can Be for Photovoltaic Purpose by Replacing Carbon Steel Wire? 254

As one of the core consumables in the silicon wafer cutting process, the cutting effect of diamond wire is mainly affected by factors such as product thickness, busbar performance and cutting method. Generally speaking, the cutting effect is better when the diamond wire is thinner. Nowadays, the most common diamond wire busbar in the photovoltaic industry is high carbon steel wire, according to Chinatungsten Online. However, with the development of silicon wafers in the direction of large size and thinning,…

Tungsten News
Fine Tungsten Wire May Replace Diamond Wire in the Photovoltaic Industry 241

Tungsten wire, made of refractory metal tungsten (W), has high melting point, high resistivity, good strength and low vapor pressure, which is widely used in the field of lighting. However, with the continuous reduction of the traditional lighting application market in recent years, head tungsten enterprises in China are more actively exploring other application fields, such as photovoltaics. Diamond wire is one of the important tools for cutting silicon wafers that are one of the core components of photovoltaic equipment.…

Tungsten News
Why Tungsten Crucibles and Molybdenum Crucibles Are Used for Sapphire Crystal Growth? 257

Crystal growth is the foundation of many cutting-edge technologies such as sapphire touchscreens, LED lighting components, solar cells and high-power lasers. Corrosion resistance, creep resistance and high temperature properties enable tungsten and molybdenum crucibles to be used for high temperature sapphire crystal growth processes. Crucibles made of tungsten and molybdenum materials perform well in the heat exchanger method (HEM) process for melting and solidification of single crystals. Better sapphire yield and quality can be achieved when the sapphire is easy…

Tungsten News
Types of Molybdenum Crucibles Manufactured by Different Processes 218

Molybdenum is a refractory metal known for its excellent strength at high temperatures, high melting point of 2610 ℃, and high corrosion resistance. This high melting point makes molybdenum ideal for use as evaporation boats or crucibles, and for processing nuclear fuel pellets at temperatures up to 1650°C. products made of molybdenum are durable enough to withstand repeated rough handling. Molybdenum will not oxidize to any significant degree below 400 ℃ in air or an oxygen-containing atmosphere. At 400 ℃…

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