Carnegie Steel Company

Carnegie Steel Company

Carnegie Steel Company was a steel producing company created by Andrew Carnegie to manage business at his steel mills in the Pittsburgh, Pennsylvania area in the late 19th century.


Carnegie constructed his first steel mill in the mid-1870s: the profitable Edgar Thomson Steel Works in Braddock, Pennsylvania. The profits made by the Edgar Thomson Steel Works were sufficiently great to permit Mr. Carnegie and a number of his associates to purchase other nearby steel mills. In 1892, Carnegie Steel Company was formed. At its peak, the company operated a total of eight steel mills.

Its headquarters was located in the Carnegie Building, an office building in Downtown Pittsburgh [cite web | url = | title = Mellon Square | accessdate = 2008-01-22 ] . Built to display the use of steel in its construction, the building was fifteen stories high, and was left uncovered for a full year. Located in Pittsburgh, the building stood for 57 years, 1895-1952. Demolition of the Carnegie Building commenced on March 1, 1952.

teel mills

*Edgar Thomson Works, Braddock, Pennsylvania
**15,654 employees in 1900
**The first Carnegie free public library built in America is in Braddock

*Homestead Steel Works, Homestead, Pennsylvania
**12,554 employees in 1900, peak employment of 30,000
**A massive plant acquired in 1883
**Closed in 1987 and demolished
**Currently the site of The Waterfront retail

*Mingo Junction, Mingo Junction, Ohio
**2,954 employees in 1900
**The steel mill was the only manufacturing plant in Mingo Junction in 1900

*Duquesne Works, Duquesne, Pennsylvania
**It was a modest, but new, plant called Duquesne Steel Company when it was acquired in 1889

*Ohio Works, Youngstown, Ohio
** Closed in 1984.


Carnegie Steel Company was sold to the United States Steel Company in 1901. U. S. Steel was a conglomerate with subsidiary companies. The name of the subsidiary company was changed to the Carnegie-Illinois Steel Company in 1936.

Local competition

The presence of the Allegheny, Monongahela, and Ohio rivers provided a way to transport the heavy materials associated with the steel-making industry. Each plant was located close to or alongside a river.

The seed of the company which became its strongest competitor was sown in 1853. Jones, Lauth and Company established puddling furnaces and rolling mills along the Monongahela at a location a couple of miles (roughly four kilometers) away from Pittsburgh. Bernard Lauth invented and patented cold rolling of iron in 1859. In the same year, James H. Laughlin constructed Laughlin and Company directly across the river from the Jones, Lauth and Company. Over time, the two enterprises became united under the name J&L Steel and installed their first two Bessemer converters for the production of steel in 1886.

J&L Steel became the most important competitor to the Carnegie Steel Company and U. S. Steel in the vicinity of Pittsburgh. In 1905 it began the construction of a new steel mill along the Ohio River twenty miles (32 km) downriver from Pittsburgh at Aliquippa. In 1908, it constructed a new 12-story office building in Pittsburgh.

J&L Steel announced numerous expansions of its operations, including a $250,000,000 expansion for 1955-58. In 1968, Ling-Temco-Vought, Inc. of Texas, offered to buy sixty-three percent of J&L Steel, marking the beginning of the end for "big steel" in the Pittsburgh region.

20th Century Steel Production

Changes in the way in which steel is produced had already appeared before the Carnegie Steel Company was sold in 1901. Steel manufacturers had begun to abandon the Bessemer converters and install open-hearth furnaces. Open-hearth furnaces were widely employed until the 1970s when the basic oxygen furnace, electric arc furnace and continuous casting made them obsolete. Currently, employment is extraordinarily low at the remaining plants which have been a part of the Carnegie Steel Company since 1900, though in Braddock the J. Edgar Thomson Works is still active, producing steel slabs that are shipped up river to Irvin Works in Dravosburg to be finished coils.

ee also

* List of possible monopolies


External links

* [ Old steel mill at Mingo Junction, Ohio]

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