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Cleveland had nine integrated steel mills in the 1970s. US Steel closed one mill in 1979, then shut down its six remaining Cleveland mills in 1984. Cleveland's two remaining steel producers, Republic Steel and Jones & Laughlin, merged to form LTV Steel in June 1984. LTV Steel declared bankruptcy in 2000.
Aleris was also among the largest aluminum sheet suppliers for semi-trailers, and the leading aluminum sheet supplier for the U.S. residential construction industry. [4] The company increased production as the automotive industry began using more aluminum than steel. [4] [16] Aleris' new aluminum body sheet facility in Lewisport, Kentucky ...
SIFCO is engaged in the production of forgings and machined components primarily for the aerospace and energy markets. SIFCO's products are made primarily of steel, stainless steel, titanium, and aluminum and include: OEM and aftermarket components for aircraft and industrial gas turbine engines, steam turbine blades, structural airframe components, aircraft landing gear components, aircraft ...
Crucible's history spans over 100 years, and the company inherited some of its ability to produce high-grade steel from England beginning in the late 1800s. Thirteen crucible-steel companies merged in 1900 to become the largest producer of crucible steel in the United States, and this company evolved into a corporation with 1,400 employees in ...
The 46,000 members of the Aluminum Workers of America voted to merge with the budding steelworker union that was the USW in June 1944. Eventually, eight more unions joined the USW as well: the International Union of Mine, Mill and Smelter Workers (1967); the United Stone and Allied Product Workers of America (1971); International Union of District 50, Allied and Technical Workers of the United ...
Steel is an alloy composed of between 0.2 and 2.0 percent carbon, with the balance being iron. From prehistory through the creation of the blast furnace, iron was produced from iron ore as wrought iron, 99.82–100 percent Fe, and the process of making steel involved adding carbon to iron, usually in a serendipitous manner, in the forge, or via the cementation process.
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Ultimately, Cleveland-Cliffs failed to purchase U.S. Steel as the company agreed to be acquired by Japan's Nippon Steel instead for $14.9 billion. [48] In January 2025, US President Joe Biden blocked the merger. Both US Steel and Nippon sued the US government, complaining that the block was “a clear violation of due process”.