(tungsten steel) tungsten gold jewelry market advantage
Tungsten gold for tungsten carbide alloy, also called tungsten steel industry field. Tungsten gold is one of the world's most hard metal, hardness in 8 to 9 m (mohs hardness standard), second only to diamond (10 m). Tungsten is a kind of rare metal, after the tungsten stone mining, grinding, water, gravity separation, refining and other refined into the purity of 60% or 60% of the tungsten powder, again with the finished products produced by high temperature furnace refining molding is tungsten bars. Tungsten bars around the melting point of 3500 ℃.
Tungsten ore are mainly distributed in China and Russia at present. Usually tungsten bars purity should be over 99.95%, and the test report must be issued by authorities of inspection analysis, such as: national nonferrous metals and electronic materials analysis and test center testing report or admit sgs-cstc standards (SGS) in the world.
ungsten gold jewelry the love of young people in recent years, its biggest characteristic is hard, and that there is no corrosion, not faded, not change color, not allergic, no rust, new features, such as gloss can keep is often in silver jewellery hardness is low, easy to turn black, time is long will wear but cheap tungsten gold is the most hard metal, and diamond hardness, nature is stable, that it will never wear, never change color, and light, but he's much more complicated process and time zone for a long time, have bright luster
They can be fashioned into a variety of angular patterns, colors and designs are very abundant, so young people will like this kind of jewelry, and the price is not expensive. I bought two hundred multivariate, simple sense is very good.
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