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Cast iron is a class of iron – carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. [1] Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its carbon appears: white cast iron has its carbon combined into an iron carbide named cementite, which ...
Cast-iron cookware was especially popular among homemakers during the first half of the 20th century. It was an inexpensive, yet durable cookware. Most American households had at least one cast-iron cooking pan. Popular manufacturers included Griswold, which began production in 1865, Wagner in 1891, and Blacklock Foundry in 1896.
Andrew Carnegie (English: / kɑːrˈnɛɡi / kar-NEG-ee, Scots: [kɑrˈnɛːɡi]; [2][3][note 1] November 25, 1835 – August 11, 1919) was a Scottish-American industrialist and philanthropist. Carnegie led the expansion of the American steel industry in the late 19th century and became one of the richest Americans in history.
"Turn! Turn! Turn!", also known as or subtitled "To Everything There Is a Season", is a song written by Pete Seeger in 1959. [1] The lyrics – except for the title, which is repeated throughout the song, and the final two lines – consist of the first eight verses of the third chapter of the biblical Book of Ecclesiastes. The song was originally released in 1962 as "To Everything There Is a ...
Turn: Washington's Spies (originally titled Turn and stylized as TURИ: Washington's Spies) is an American period drama television series based on Alexander Rose 's book Washington's Spies: The Story of America's First Spy Ring (2007), [ 3 ] a history of the Culper Ring. [ 4 ] The series originally aired on the AMC network for four seasons ...
Country Location Date Details 1 United States Washington D.C. 9–11 July Starmer attended the 2024 NATO summit for his first international trip. [1] [2] On the flight to the summit, Starmer laid out a "cast iron" commitment to increase defence spending to 2.5% of GDP, following a “root and branch” review of Britain's defences.
Tempering (metallurgy) Differentially tempered steel. The various colors produced indicate the temperature the steel was heated to. Light straw indicates 204 °C (399 °F) and light blue indicates 337 °C (639 °F). [1][2] Tempering is a process of heat treating, which is used to increase the toughness of iron -based alloys.
Wrought iron. Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which give it a wood-like "grain" that is visible when it is etched, rusted, or bent to failure.