| 单词 | chromium steel |
| 例句 | Other chemists in the US, Germany, France and Britain had tinkered with chromium steels over the previous decades - the Germans even producing a stainless steel yacht for the Kaiser in 1908. The element that made the 20th Century shine - BBC News 2015-05-22T04:00:00Z The blades are made by the company in Wyoming, from extremely high-quality American-made high carbon chromium steel, with nearly twice the carbon content of some leading premium German knife brands. Holiday Gift Guide For The Foodie & Drink Fan 2014-11-22T05:00:00Z The Frozen Gate was like a huge stopper in a bottle, made of chromium steel. Astounding Stories, August, 1931 In order that high chromium steels may be readily machined, they must be heated at or slightly above the critical for a very long time, and cooled through the critical at an extremely slow rate. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel He concluded, as he sat on the edge of his bed that night, rubbing them between his fingers, that they could be nothing but particles of keenly-tempered chromium steel. Stories from Everybody's Magazine It is possible that complex carbides may be formed, as in chromium steels, and that compounds between iron and tungsten exist. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The term alloy steel, from the steel maker's point of view, refers largely to nickel and chromium steel or a combination of both. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel These steels are manufactured very largely by the open-hearth process, although chromium steels are also a crucible product. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The great hardness of chromium steels is also due to the formation of double carbides of chromium and iron. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel And chromium steel, he knew, was not used in gas pipes. Stories from Everybody's Magazine Plain carbon steels are class 1, nickel steels are class 2, nickel-chromium steels are class 3, chromium steels are class 5, chromium-vanadium steels are class 6, and silico-manganese steels are class 9. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Prolonged heating and high temperatures have a very bad effect upon chromium steels. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Two per cent chromium steels; due to their very hard tough surface, are largely used for armor-piercing projectiles, cold rolls, crushers, drawing dies, etc. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel In this respect they differ from Page 27 nickel steels, which are not so affected by prolonged heating, but chromium steels will stand higher temperatures than nickel steels when the period is short. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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