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Pure tungsten electrode is an electrode product with refractory metal tungsten as the main raw material. It is the earliest electrode used in argon arc welding.
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Metal tungsten has the characteristics of high melting point, strong electron emission ability and low vapor pressure, making it the preferred thermionic emission material.
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According to the website of the Ministry of Industry and Information Technology, the Ministry of Industry and Information Technology and the Ministry of Natural Resources jointly issued a notice on the release of the total amount of rare earth and tungsten mining, smelting and separation control indicators.
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The Ministry of Natural Resources, Ministry of Industry and Information Technology has jointly issued the “Circular on the Total Control of Tungsten Ore Mining in the 2018 Year (First Batch)” (hereinafter referred to as the “Notice”), proposing to protect and rationally develop advantageous minerals
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