Molybdenum carbide has a high melting point and hardness, good thermal stability and mechanical stability, and excellent corrosion resistance and other characteristics. Molybdenum is a silvery white refractory metal, a melting point of 2615 ℃, density of 10.2 g / cm 3, the expansion coefficient is small, a special tube is almost the same coefficient of expansion of the glass. Molybdenum stable at room temperature is higher than 600 ℃, rapidly oxidized.
2013年7月18日星期四
tungsten ore market remained firm steady trend of short-term or
Current tungsten market as a whole held steady, some mining companies will increase shipping, bullish atmosphere still dominant; APT aspects expensive subside, many businesses choose to watch, tungsten carbide powder by the end demand constraints temporarily thinly traded, tungsten, iron-70 base lowest price at 200,000 yuan / ton, the market spot supply, price increases are still feeling some businesses, scrap tungsten steel stop rising stabilize in the near term remain strong trend.
Last week, purchasing and storage enterprises continue to push up the price of tungsten, tungsten market prices again rose 4.1 percent, 65-degree black fine tungsten prices rose 14.3 to 145,000 yuan / ton, scheelite market from 14.1 to 143,000 yuan / ton, compared with the previous week rose by 3,000 yuan per ton. Since the beginning of 65 degrees wolframite prices have risen by 22%.
Downstream, as the international price indices in the domestic APT (APT) last weekend price 213,000 yuan / ton, ring up more than 04,000 yuan / ton; sodium tungstate price 144,000 yuan / ton, ring up more than 07,000 yuan / ton ; tungsten powder price of 327.5 yuan / kg, and ring up more than 5 yuan / kg.
Industry analysts said the biggest change in June tungsten City has two: one, the downstream product of tungsten sudden rapid follow up. Previously, that after the Spring Festival this year, tungsten small step up fast, but because of a bad deal tungsten downstream product price increases difficult, resulting in price upside down; two, CMN early June will offer a one-time increase of 20,000 yuan / ton, to wolframite 155,000 yuan / ton, or 14.8%, much higher than Ganzhou Tungsten Industry Association in June 2000 yuan per ton, up offer. "CMN one up so much to influence the market bullish atmosphere, led lower prices."
tungsten eletrodethe greatest force behind the current round of price increases to the market in large quantities CMN acquisition Wu Jing flour, the price of tungsten and drag from the bottom. CMN is the largest supplier of tungsten ore, production accounting for about 20-30% of total. In addition, the market speculation that the limited resources coupled with all aspects of national policy restrictions, such as mining permits, environmental protection and other policies, the market will support the formation of tungsten, tungsten last year, fell below the cost situation is not normal. However, the current round of tungsten concentrate prices, lower market acceptance is not high. Market turnover is small, many companies are more cautious purchase some stock and order of business is functioning, but it basically did not cover their short positions, watching the market atmosphere.
On the whole, the Chinese tungsten concentrate prices high, resulting in cost pressures forced APT manufacturers raised the export price, although the downstream refined products volume was light, but the Chinese tungsten concentrate prices continued to rise, forced by pressure on production costs, lower The product manufacturers offer continuous follow up, most businesses continued to wait for the afternoon, miner Minmetals offer this month and ITIA tungsten guide price but subject to large enterprises acquire long-term highs, expect higher prices next month tungsten concentrate prices, Some players feel there is still room for price increases.
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