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YG6 carbide particle
WC 20Cr3C2-7Ni agglomerated thermal spray powder HVOF spray company
WC 20Cr3C2-7Ni sintered crush cold spraying coating hvof thermal spray
WC 20Cr3C2-7Ni agglomerated hvof thermal spray
WC 20Cr3C2-7Ni sintered crush metal HVOF coating
tungsten carbide tools hardness 90.5 HRA drawing die nibs YG8 with OD 20.8 ID 3 H16.8 mm
black tungsten carbide drawing die nibs YG8 with OD 20.8 ID 1.8 H 16.8
tungsten carbide hardness 90.5 HRA drawing die nibs with OD 13 ID 3 H 10 mm
tungsten carbide tools YG8 drawing die nibs hardness 90.5 HRA with OD 20 ID6 H16.5mm
tungsten carbide tools YG8 drawing die nibs hardness 90.5 HRA with OD 21 ID 2.4 H 17 mm
tungsten carbide properties high hardness 90.5 HRA wire drawing die nibs with OD 16 ID5 H14 mm
tungsten carbide hardness 90.5 HRA wire drawing die nibs YG8
Specific performance differences between capacity lithium battery and power lithium battery are as follows:
In 2018, the fixed asset investment in China's nonferrous metals industry increased by 1.2% year-on-year, among which, the investment in mining and selection decreased by 8% year-on-year, and the investment in smelting and processing increased by 3.2% year-on-year.
Accelerate the innovative development of new nonferrous materials and new business forms. We will expand the upstream and downstream cooperation mechanism of civil aircraft aluminum into the cooperation mechanism of civil aircraft materials, push forward the implementation of annual key tasks, track the progress of the construction of new energy vehicle platform, strengthen supervision and coordination of work, and form the annual landmark work results. We will strengthen the weak spots of new materials, establish a nonferrous materials database and an industry testing and evaluation center, and improve the basic system of nonferrous materials. At the same time, we will further integrate the nonferrous industry with the Internet, build advanced nonferrous metal industrial clusters, expand the application fields, and explore new models and forms of business development.
Improve the intelligent and green development level of the industrial chain. To formulate guidelines for the construction of intelligent mines and factories for non-ferrous metals and guide the construction of intelligent standardization in the industry. Focusing on the shortcomings of green manufacturing in traditional industries such as copper, lead, zinc, tungsten and magnesium, such as green smelting, ultra-low emission, harmless disposal of waste residue and comprehensive utilization of resources, we will accelerate the research and development and promotion of applicable technologies, guide the docking of technology supply and demand in some industrial agglomeration areas, and guide enterprises to accelerate green development.
1.Clean and remove grease from the surface of the base*Alkaline washing method is to put the surface of the substrate into alkaline solution such as sodium hydroxide or sodium carbonate, dissolve the grease on the surface of the substrate, and then rinse it with water.
*Solution washing method USES volatile solutions, such as acetone, ethanol, gasoline, ethylene trichloride and ethylene perchlorinated ethane, etc. Their main function is to dissolve the mineral oil on the surface of the substrate, and then remove it. *Steam cleaning method is the use of trichloroethylene steam cleaning, although this method cleaning effect is good, but is harmful to the human body.
2.Clean and remove oil on the surface of loose matrix It is difficult to clean and remove oil on the surface of the loose matrix (such as cast iron). Although the grease is not on the surface, when spraying, the grease in the loose hole will penetrate into the surface of the matrix due to the increase of the temperature on the surface of the matrix.Therefore, after cleaning and deoiling the loose matrix surface, it is necessary to heat the surface to about 250 degrees Celsius, try to exude the grease on the surface, and then remove it.
Last week's tungsten market - prices were steady but still in a slump. Affected by the summer holiday and weakened demand, although zhang yuan quoted a price to the market at the beginning of this week, the news that pan Asia APT stock was released as a result of the second instance judgment of pan Asia constantly affected the sentiment of the tungsten market. The operation of the whole tungsten market was a little cautious, and the price was weak. Environmental inspection did not drive the industry's expectations, back-end demand is still the main force to suppress the price of tungsten.
Prices remained above 70,000, unchanged from last week. Industry insiders predict that the current mine production has been sharply reduced due to the mine production reduction and floods in hunan, jiangxi and other places, with the initial forecast of production reduction of more than 20%. Mine output reduction has become the industry consensus, including the miners have been reluctant to sell tungsten sand has emerged. But this can not change the fact that the base of tungsten inventory is still large, the preliminary estimate, the tungsten inventory cost is generally more than 90 thousand this gear. Therefore, the mining enterprise's selling and later prayer is particularly urgent. Money pressure is still a factor affecting mine prices.
In the alloy companies own orders did not increase, continue to look weak market prices, powder enterprises or still to "drink porridge" to live.