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Tungsten Molybdenum

Tungsten is an irreplaceable basic material and strategic resource for the national economy and modern national defense. The cemented carbide made of tungsten has ultra-high hardness and excellent wear resistance. It is used to manufacture various cutting tools, knives, drilling tools and wear-resistant parts. Parts, known as the “industrial teeth”; molybdenum is mainly used in the iron and steel industry, most of which are directly used for steelmaking or cast iron after industrial molybdenum oxide briquetting, and a small part is used for steelmaking after smelting into ferromo .

The data shows that the total proven reserves of tungsten in the world are only 2.9 million tons, distributed in China, Canada, Russia and the United States. These four countries account for as much as 84%; China has abundant tungsten resources and reserves among the world’s proven tungsten mineral resources. It accounts for about 60%, ranking first in the world. China’s tungsten ore resources are very rich and there are many types of deposits, but the industry order is chaotic, the product quality is low, and the homogeneity is serious. Although the mining order has been rectified for many years, China’s tungsten mining industry still has serious over-exploitation problems. In September, the output of China’s tungsten concentrate reached 120,000 tons, an increase of 14.06% year-on-year.

The global reserves of molybdenum ore are about 8.6 million tons, and the distribution of global molybdenum resources presents a highly unbalanced state, mainly in China, the United States and Chile, with reserves of more than 1.1 million tons. The total global molybdenum production in 2010 was 214,000 tons of molybdenum, an increase of 12.8% year-on-year. China’s molybdenum production ranks first in the world, accounting for 37.4% of global production in 2010. From January to November 2011, the output of China’s molybdenum concentrate reached 216,000 tons, a year-on-year increase of 10.99%

In 2010, the non-ferrous metals industry conscientiously implemented various guidelines and policies of the Party Central Committee and the State Council, and actively implemented the “Non-ferrous Metals Industry Adjustment and Revitalization Plan”. The production and sales of the tungsten and molybdenum smelting industry have gradually consolidated and achieved steady and rapid growth. . Judging from the operating conditions of 22 enterprises, my country’s tungsten and molybdenum smelting enterprises had a good development momentum in 2010, and the industry’s profitability was relatively high. With the rapid development of the downstream industry of tungsten and molybdenum smelting, its demand for tungsten and molybdenum smelting products will continue to increase, and the development prospects of the industry are better.

High temperature resistant metal with good thermal conductivity, electrical conductivity, low thermal expansion coefficient, high temperature strength, low vapor pressure and wear resistance. It is used in electronic and electrical equipment manufacturing, metal material processing, glass manufacturing, high-temperature furnace structural parts manufacturing, Important materials for aerospace and defense industry applications.

Tungsten and molybdenum are two high-temperature resistant metals. Together, tungsten and molybdenum represent an industry, namely the refractory metal industry. Other refractory metals include niobium, zirconium, titanium, and hafnium, not just one element. It has a great effect on industrial development. The current products are mainly used in the energized electrodes of argon arc welding machines. China is the world’s largest producer of tungsten and molybdenum, accounting for 80% of the world’s exports. It is widely used in welding, electric light sources, electronic devices, chemical, mining, metallurgy, shipbuilding, petroleum, aerospace and other industrial fields.

Tungsten-molybdenum and tungsten-molybdenum alloys have good thermal conductivity, electrical conductivity, low thermal expansion coefficient, high temperature strength, low vapor pressure, and wear resistance. They have become electronic and electric equipment manufacturing, metal material processing, glass manufacturing, and high-temperature furnace parts. Heavy materials for component manufacturing, aerospace and defense industry applications. The applications of molybdenum and molybdenum alloys in the above-mentioned fields are mainly made by machining, forming, metal processing, and welding.


Tungsten and molybdenum are two elements in the same column of the periodic table. They also exhibit the same nature. The average concentration of the two elements in the earth’s crust is 1.5 parts per million. Molybdenum is an essential nutrient for plants and animals. At high concentrations, molybdenum can cause poisoning which is sometimes a case of leachate from alkaline ash. Tungsten is an important strategic metal, which is used in various industrial applications. It is usually mined from scheelite, powder CaWO4, optical channel wolframite (iron, manganese) WO4. Tungsten is released into the environment, for example through its use in winter tires and ammunition. On the whole, the environmental behavior of tungsten is not well known.

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