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Annual Convention—Zigong Xingyu&Le Tonnerre Rouge Cemented Carbide Co.,Ltd
Cemented carbide wire drawing dies is one kind of cemented carbide drawing dies. Wire drawing is a metal working process to reduce the cross-section of a wire by pulling the wire through a single or series of drawing dies. So do you know how to use cemented carbide wire drawing dies? There are some tips that you should pay attention to.
Generally heat sets, inserts, bonding, welding carbide seal ring at work are inadequate, and the overall Carbide seal ring can avoid leakage, heat distortion, electrochemical corrosion these deficiencies. It mainly has the following use characteristics
Recent years, the production of tungsten carbide rods is increasing in our country. However, with the increasing demand, the situation that there is more need than the supply appears in the short time. At the meantime, its quality requirements also face difficulties. At present, the detection of carbide rod in the domestic is generally artificial way which needs more human do the experiment. And the result of the test is not stable. As a result, the automatic-testing equipment is gradually in the favor of the vendor.
MIDEST INDUSTRIAL EXPOSITION IN PARIS
International market, last night the latest MB Metal Bulletin quotations show, ammonium paratungstate prices to weaken Hong Kong, 430 level -435 (down 5) US $ / metric ton, while overseas ferrotungsten recent market consistent with domestic tungsten iron than other tungsten product market slightly better, closing some relatively smoothly, which ferrotungsten Rotterdam 49.5 (up 1) -50 (up 0.5) dollar / kg, tungsten, but gains limited.
Status tungsten industry is to focus on the distribution of profits at both ends - the front and rear ends of tungsten concentrate Carbide Tool: Hand resources upstream, midstream and downstream through smelting and primary processing industry consolidation, grab their profit margins;
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