| 单词 | crucible steel |
| 例句 | In 1862 he exhibited in London an ingot of finest crucible steel weighing twenty-one tons. The Romance of Industry and Invention 2011-12-19T03:00:43.870Z Crystalline graphite is used principally in the manufacture of crucibles for the melting of brass, bronze, crucible steel, and aluminum. The Economic Aspect of Geology Open hearth steel, crucible steel and blister steel, prior to this, had been the principal products, but were manufactured by processes too slow and too expensive to take the place of iron. The Johnstown Horror!!! or, Valley of Death, being A Complete and Thrilling Account of the Awful Floods and Their Appalling Ruin It was not a built-up gun, but depended on superior crucible steel for its strength. Artillery Through the Ages A Short Illustrated History of Cannon, Emphasizing Types Used in America This melting practice is still in use for crucible steel, and will be described further on page 4. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel The classifications are as follows: High-speed steel, alloy steel, tool or crucible steel, and high-carbon machinery steel. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel Ten years of experience indicate that electric steel is equal to crucible steel and superior to open hearth. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel |
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