40% of gold bars adulterated with iridium or tungsten
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- Category: Tungsten's News
- Published on Friday, 19 April 2013 15:23
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In the last decade, the price of gold has increased from about 280 dollars per ounce to recent 1,600 dollars per ounce, with a rise of more than 3 times. It was really a gold decade of gold investment.
It has ever been circulated online that fake gold bars with tungsten as its core are likely to appear in the gold market. It is said that these fake can be tested by means of chemistry, weight and X-ray as the density of gold is 19.3 g/cm3 while that of tungsten is 19.25 g/cm3.
Besides, it only cost 50,000 dollars to manufacture a 400-ounce-weight fake gold bar with tungsten core, far cheaper than a pure gold bar with the value of about 480,000 dollars.
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Titanium and tungsten carbide are in the list of state-level new materials
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- Category: Tungsten's News
- Published on Friday, 19 April 2013 14:51
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According to the report by the China Securities Journal on Tuesday, the Ministry of Industry and Information Technology is deciding the list of new material industries among the strategic emerging industries. Non-ferrous metal industry alone has reported nearly 100 kinds of new materials, among which titanium and the intensive processing products of tungsten (tungsten carbide) have finally been selected.
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The tungsten Industry has become the driving force of Ganxian County economic development
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- Category: Tungsten's News
- Published on Friday, 19 April 2013 14:09
- Hits: 2174
The tungsten industry in Ganxian County gained the main business revenue of 6.62 billion yuan, with year-on-year growth of 26.9 percent, spurring increase in enterprises at national scale by 7.5 percentage points. Tungsten Industry has become the driving force of its county economic development.
In order to make the tungsten industry bigger and stronger, the county has make the following efforts: integrating the tungsten mines of the entire county to optimize resource allocation; fostering the growth of leading enterprises with supports such as capital, water-power supply, policy and talents; accelerate the pace of scientific and technologic innovation. At present, there are more than 10 enterprises engaged in tungsten processing gaining the annual main business income of more than 100 million yuan, among which 4 enterprises pay taxes of more than 10 million yuan.
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The tungsten alloy electroplating technology got recommendation
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- Category: Tungsten's News
- Published on Friday, 19 April 2013 14:36
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The 2010 promotion held in Changsha several days ago recommended tungsten alloy electroplating technology in the entire province. Technical leaders and executives from more than 130 famous enterprises attended this promotion.
Tungsten alloy electroplating technology is one that applys to the corrosion and erosion resistance of the surface of mechanical equipment and parts. It was researched and developed originally by a team leaded by He Fengjiao, a professor of College of Chemistry and Chemical Engineering, Hunan Normal University.
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Chinese tungsten carbide market: from minor character to a major one
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- Category: Tungsten's News
- Published on Friday, 19 April 2013 11:48
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With the rapid expanding of Chinese automobile industry, the demand for cutting tolls used for automobile parts & components processing is increasing growing. Besides, the demand for tungsten carbide in steel, transportation, construction and other sectors is more and more strong. The Chinese market has quietly evolved into a major character from a minor one, according to the strategic prospect of foreign tungsten carbide multi-national companies.
By the end of the five-year plan in 2015, the output of tungsten carbide in China will reach 30,000 tons, and sales revenue will reach 30 billion yuan. The exports double that of the 11th five-year plan period, trying to exceed 1 billion dollars.
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