China Tungsten Reserve and Tungsten Output Rank Top

tungsten  ore picture

China has the largest tungsten reserve and tungsten output whose reserve are four times of  other countries in the world, tungsten ore was found early 10th century and was called "heavy stones" at that time. Tungsten ore in China is mainly located in the Sanjiang tungsten tin metallogenic belt,West Qinling-Qilianshan metallogenic belt, Tianshan-Beishan metallogenic belt, south China metallogenic belt and north China metallogenic belt. Nanling metallogenic belt is the most richiest in south China metallogenic belt, and numerous large and super large tungsten ores are distributed in this metallogenic belt with more than 70% reserve of China. The tungsten ore in China was mainly formed in Yanshanian era accounting for 83%, Hercynian era 9%, Caledonian era 4%, Precambrian era 2% and Indosinian era 2%.

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Tungsten Contact Application - Switches

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Tungsten contact is widely used in switches as a part to connect or disconnect the electricity. The so-called tungsten switch contact can be simply understood as the switch's contact point is made of metal tungsten, which has good heat resistance, lower resistance, good chemical stability and other advantages, and can be very good circuit connection or break, thereby reducing the probability of electrical equipment failure.

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Tungsten Alloy Weight Application – Golf Head

tungsten alloy weight in golf image

Tungsten alloy weight is used in golf to increase the weight of golf head. In order to improve the performance of golf clubs, the weight is added to the golf end. Compared with traditional weights (iron, lead, steel, zinc, etc.), tungsten alloy is more suitable as a weight for golf heads.

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AC Contactor Tungsten Contacts

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AC contactor is applied tungsten copper or tungsten iron contact as main connecting parts. AC refers to alternative current. Why tungsten contacts are selected for the contacts of AC contactors? Tungsten as raw material made contacts are with superior properties.

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Barium Tungsten Electrode

barium tungsten electrode image

Barium tungsten electrode is with characteristics of low electron work function, high electron current density, better starting performance and low temperature resistance, and is often used in the field of xenon flash lamps.

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