Molybdenum is a refractory rare metal like tungsten. After Swedish scientist C.W. Scheele discovered molybdenum in 1778, M.Moissan made molybdenum metal by electric furnace after more than ten years of efforts, which made people get the metal with many excellent physical, chemical and mechanical properties for the first time. Molybdenum and its alloys are widely used in metallurgy, agriculture, electrical, chemical, environmental protection, aerospace and other important sectors with good prospects, and become an important raw material and irreplaceable strategic material in the national economy. Steel manufacture Molybdenum can be combined with chromium, nickel, manganese and silicon to produce different types of stainless steel, tool steel, high speed steel and alloy steel. The stainless steel made by adding molybdenum has good corrosion resistance, which can be used for corrosion resistant steel pipe for oil exploitation. A stainless steel made by adding molybdenum of about 6% can also replace titanium for seawater desalination equipment, ocean-going ships, offshore oil and natural gas exploitation pipelines. Molybdenum-containing tool steel is twice as efficient as tungsten tools and has excellent performance, low cost and light weight. Besides, molybdenum series high speed steel has the advantages of non-uniform carbide, wear resistance, good toughness, high temperature plasticity and so on. Moreover, the molybdenum-containing alloy steel can be used to manufacture machine tool structural parts, industrial vehicles and earth-moving equipment. Chemical industry The application of molybdenum in chemical industry is more and more remarkable, especially the rapid development of molybdenum compounds in chemical industry. In recent years, although molybdenum is in a bad state, the application of molybdenum compounds is still growing and developing towards multi-polarization. Molybdenum andmolybdenum alloyhave a high degree of stability in many reaction media, it is widely used in the chemical industry, petroleum extraction and glass and other light industries for corrosion resistant materials, such as chemical equipment lining, parts, valves, steam pipe, heat exchanger, reboiler and so on. Molybdenum compounds are mainly used in the following aspects: catalysts and catalytic activators, lubricants and their lubricating additives, pigments, dyes, paints and inks, water quality and dielectric corrosion inhibitors, composite ion exchanger, battery, flame retardant, smoke suppressant and getter, trace element additive, molybdenum compound fertilizer, superconducting material, ceramic material, polymer material filler, energy storage material, gasoline additive, glass material, etc. It is predicted that in the next 10 years, new application development of molybdenum may be mainly manifested in the fine chemical industry, which is likely to make a breakthrough increase in the consumption of molybdenum. Electric industry Molybdenum has good conductivity and high temperature performance, and the thermal expansion coefficient is very close to that of glass, so it is widely used in manufacturing core wire, lead wire, hook, bracket, side bar and other components of spiral filament in light bulb, as well as the grid and anode supporting material in electron tube. Molybdenum is used as metal oxide semiconductor gate in ultra large scale integrated circuit. Integrated circuit mounted on molybdenum can eliminate "bimetallic effect" ultra-thin seamlessmolybdenum tube(about 15 microns) can be used as the anode bracket for high-definition television picture tube, the image scanning line of this TV set reaches 1,125, which is twice higher than the average TV set. Molybdenum wafer can also be used as power transistor heat shield and silicon rectifier substrate and heat sink. Advanced Refractory Metals (ARM) supplies people with high-quality refractory metals all over the world. Please visit https://www.refractorymetal.org for more information.
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