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2. Maraging steel - Wikipedia

   en.wikipedia.org/wiki/Maraging_steel

   Maraging steels (a portmanteau of "martensitic" and "aging") are steels that are known for possessing superior strength and toughness without losing ductility. Aging refers to the extended heat-treatment process. These steels are a special class of very-low- carbon ultra-high-strength steels that derive their strength not from carbon, but from ...

3. Sheet metal - Wikipedia

   en.wikipedia.org/wiki/Sheet_metal

   Microscopic close-up of mild steel sheet metal. Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate, such as plate steel, a class of structural steel. Sheet metal is ...

4. Gauge block - Wikipedia

   en.wikipedia.org/wiki/Gauge_block

   A gauge block is a block of metal or ceramic with two opposing faces ground precisely flat and parallel, a precise distance apart. Standard grade blocks are made of a hardened steel alloy, while calibration grade blocks are often made of tungsten carbide (WC), chromium carbide (CrC) or ceramic (SiO 2 -based) because they are harder and wear ...

5. American industrial icon US Steel is on the verge of being ...

   www.aol.com/news/american-industrial-icon-us...

   Cleveland Cliffs acquired AK Steel in 2019 right before steel prices began to spike and within a year, it acquired ArcelorMittal USA in 2020 for $1.4 billion. U.S. Steel bought Big River Steel the ...

6. Carbon steel - Wikipedia

   en.wikipedia.org/wiki/Carbon_steel

   Carbon steel is a steel with carbon content from about 0.05 up to 2.1 percent by weight. The definition of carbon steel from the American Iron and Steel Institute (AISI) states: no minimum content is specified or required for chromium, cobalt, molybdenum, nickel, niobium, titanium, tungsten, vanadium, zirconium, or any other element to be added ...

7. Superhard material - Wikipedia

   en.wikipedia.org/wiki/Superhard_material

   Superhard material. A superhard material is a material with a hardness value exceeding 40 gigapascals (GPa) when measured by the Vickers hardness test. [1][2][3][4] They are virtually incompressible solids with high electron density and high bond covalency. As a result of their unique properties, these materials are of great interest in many ...