| 单词 | tungsten steel |
| 例句 | To cap it all, he would sink putts all day, usually by running the ball with conviction in the direction of the hole, and his nerve was made of tungsten steel. Palmer, 'The King', leaves Arnie's Army in mourning 2016-09-25T04:00:00Z Fire-sharpened metal chisels make way for tungsten steel and nylon mallets are used instead of wooden ones. VIDEO: How to keep a cathedral alive 2013-07-02T23:01:52Z Magneto field magnets are always made of tungsten steel alloy, so treated that it will retain its magnetism for lengthy periods. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Thus we have nickel, chromium, and tungsten steel. Inventions in the Century 2011-07-20T02:00:14.643Z It does not require the high temperature of the tungsten steels, hardening at 1,830 to 1,850°F. instead of 2,200° or even higher, as with the tungsten. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Where can tungsten, or tungsten steel, be procured, and at what price? Scientific American, Volume XXXVI., No. 8, February 24, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures. Valves are tungsten steel, 115⁄16′′ inlets and 2′′ exhausts, two of each to each cylinder. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The best practice is to machine the valves from tungsten steel forgings. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The valves are constructed of hardened tungsten steel, the heads and stems being made from one piece. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z This steel is forged at 1,900 to 2,000°F. and must not be worked at a lower temperature than 1,600°F. It requires soaking in the fire more than the tungsten steels. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Behavior of these combinations on heating and cooling must be better known before we are able to explain many peculiarities of tungsten steels. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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