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Low-background steel, also known as pre-war steel [1] and pre-atomic steel, [2] is any steel produced prior to the detonation of the first nuclear bombs in the 1940s and 1950s. Typically sourced from ships (either as part of regular scrapping or shipwrecks ) and other steel artifacts of this era, it is often used for modern particle detectors ...
One pioneer of this mini-mill technology, Charlotte-based Nucor has a market capitalization of $42.3 billion compared to US Steel’s value of just over $7 billion.
Heavy melting steel – Industrial or commercial scrap steel greater than 6 mm thick, such as plates, beams, columns, channels; may also include scrap machinery or implements or certain metal stampings; Old car bodies – Vehicles with or without interiors and their original wheels; Cast iron – Cast iron bathtubs, machinery, pipe, and engine ...
Diver cutting through a steel beam during welding operations. The most commonly used of the available technologies are oxygen-arc cutting and shielded metal arc cutting. For arc cutting and welding, the workpiece must be cleaned and grounded before an arc can be struck, and the quality of the cut will depend on the surface condition of the ...
Steel mill with two arc furnaces. Steelmaking is the process of producing steel from iron ore and/or scrap.Steel is made from iron and carbon. On its own, iron is not strong, but a low concentration of carbon – less than 1 percent, depending on the kind of steel – gives steel strength and other important properties.
Structural steel is a category of steel used for making construction materials in a variety of shapes. Many structural steel shapes take the form of an elongated beam having a profile of a specific cross section .
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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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