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Crucible Industries, commonly known as Crucible, is an American company which develops and manufactures specialty steels, and is the sole producer of a line of sintered steels known as Crucible Particle Metallurgy (CPM) steels.
Crucible steels like wootz steel and Damascus steel exhibit unique banding patterns because of the intermixed ferrite and cementite alloys in the steel.. Wootz steel is a crucible steel characterized by a pattern of bands and high carbon content.
Buckeye, named for the Ohio Buckeye tree, was founded in Columbus as the Murray-Hayden Foundry, which made iron farm implements. Finding success in manufacturing iron railroad car couplers , the name changed to the Buckeye Automatic Car Coupler Company in 1891 and Buckeye Malleable Iron and Coupler Company in 1894.
Iron alloys are most broadly divided by their carbon content: cast iron has 2–4% carbon impurities; wrought iron oxidizes away most of its carbon, to less than 0.1%. The much more valuable steel has a delicately intermediate carbon fraction, and its material properties range according to the carbon percentage: high carbon steel is stronger but more brittle than low carbon steel.
At first producing only cast-iron products, the company added nickel-plated ware in 1892. [1] In 1894 Wagner was one of the first to make aluminum cookware. [3] The company acquired their competitor Sidney Hollow Ware from Phillip Smith in 1897. A third brother, William H. Wagner, joined the company to run this operation.
In 1927, Cyrus S. Eaton acquired and combined Republic with several other small steel companies, with the goal of becoming large enough to rival U.S. Steel.The newly named Republic Steel Corporation was headquartered in Cleveland, Ohio, and became America's third largest steel company, trailing only U.S. Steel and Bethlehem Steel after acquiring Bourne-Fuller Company and the Central Alloy ...
This cylinder, referred to as an electrode is then put into a large cylindrical enclosed crucible and brought to a metallurgical vacuum (0.001–0.1 mmHg or 0.1–13.3 Pa). At the bottom of the crucible is a small amount of the alloy to be remelted, which the top electrode is brought close to prior to starting the melt.
Crucible 154CM is a modification of martensitic stainless steel type 440C to which molybdenum has been added. It was originally developed for tough industrial applications and combines three principal elements: carbon , chromium , and molybdenum. [ 1 ]