The Carnegie Building, also known as the Carnegie Steel Building, was a high-rise building in Pittsburgh

Pittsburgh, Pennsylvania

Pittsburgh is the second-largest city in the US Commonwealth of Pennsylvania and the county seat of Allegheny County. Regionally, it anchors the largest urban area of Appalachia and the Ohio River Valley, and nationally, it is the 22nd-largest urban area in the United States...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

. The structure was completed in 1895, and stood as the first steel-framed skyscraper

Skyscraper

A skyscraper is a tall, continuously habitable building of many stories, often designed for office and commercial use. There is no official definition or height above which a building may be classified as a skyscraper...

 in Pittsburgh upon completion. The building served as the world headquarters

Headquarters

Headquarters denotes the location where most, if not all, of the important functions of an organization are coordinated. In the United States, the corporate headquarters represents the entity at the center or the top of a corporation taking full responsibility managing all business activities...

 of 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.-Creation:...

, a steel

Steel

Steel is an alloy that consists mostly of iron and has a carbon content between 0.2% and 2.1% by weight, depending on the grade. Carbon is the most common alloying material for iron, but various other alloying elements are used, such as manganese, chromium, vanadium, and tungsten...

 producing company of the late 19th century created by industrialist and phialnthropist Andrew Carnegie

Andrew Carnegie

Andrew Carnegie was a Scottish-American industrialist, businessman, and entrepreneur who led the enormous expansion of the American steel industry in the late 19th century...

 to manage steel mill

Steel mill

A steel mill or steelworks is an industrial plant for the manufacture of steel.Steel is an alloy of iron and carbon. It is produced in a two-stage process. First, iron ore is reduced or smelted with coke and limestone in a blast furnace, producing molten iron which is either cast into pig iron or...

s in the city. It was torn down in 1952.

Height and design

The Carnegie Building was an early example of Chicago school architecture

Chicago school (architecture)

Chicago's architecture is famous throughout the world and one style is referred to as the Chicago School. The style is also known as Commercial style. In the history of architecture, the Chicago School was a school of architects active in Chicago at the turn of the 20th century...

 in Pittsburgh, and was designed by the architectural firm Longfellow, Alden & Harlow

Alexander Wadsworth Longfellow, Jr.

Alexander Wadsworth Longfellow, Jr. was an American architect and nephew of poet Henry Wadsworth Longfellow.-Biography:...

. It rose 13 floors

Storey

A storey or story is any level part of a building that could be used by people...

in height, and stood as the first steel-framed skyscraper in Pittsburgh and one of the first steel-cage structured buildings in the world.