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  2. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    1.5 T @50 Hz non oriented D (formerly B) " non-alloy semi-finished (not finally annealed) E " alloy semi-finished (not finally annealed) K (=D+E) " non-alloy and alloy electrical steel sheet/strip in the semi-processed state N " for normal grain oriented products P: 1.7 T @50 Hz high permeability grain oriented S" conventional grain oriented

  3. SAE steel grades - Wikipedia

    en.wikipedia.org/wiki/SAE_steel_grades

    The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International.. In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.

  4. Dividing line between metals and nonmetals - Wikipedia

    en.wikipedia.org/wiki/Dividing_line_between...

    This line has been called the amphoteric line, [2] the metal-nonmetal line, [3] the metalloid line, [4] [5] the semimetal line, [6] or the staircase. [2] [n 1] While it has also been called the Zintl border [8] or the Zintl line [9] [10] these terms instead refer to a vertical line sometimes drawn between groups 13 and 14.

  5. Titanium alloys - Wikipedia

    en.wikipedia.org/wiki/Titanium_alloys

    is identical to Grade 7 (Grade 7 with 58 ksi minimum UTS). Grade 9 contains 3.0% aluminium and 2.5% vanadium. This grade is a compromise between the ease of welding and manufacturing of the "pure" grades and the high strength of Grade 5. It is commonly used in aircraft tubing for hydraulics and in athletic equipment. Grade 11

  6. Properties of metals, metalloids and nonmetals - Wikipedia

    en.wikipedia.org/wiki/Properties_of_metals...

    Its thermal conductivity (2,200 W/m•K) is five times greater than the most conductive metal (Ag at 429); 300 times higher than the least conductive metal (Pu at 6.74); and nearly 4,000 times that of water (0.58) and 100,000 times that of air (0.0224). This high thermal conductivity is used by jewelers and gemologists to separate diamonds from ...

  7. Ti-6Al-4V - Wikipedia

    en.wikipedia.org/wiki/Ti-6Al-4V

    Ti-6Al-4V (UNS designation R56400), also sometimes called TC4, Ti64, [1] or ASTM Grade 5, is an alpha-beta titanium alloy with a high specific strength and excellent corrosion resistance.

  8. Unified numbering system - Wikipedia

    en.wikipedia.org/wiki/Unified_numbering_system

    The Unified Numbering System for Metals and Alloys (UNS) is an alloy designation system widely accepted in North America. Each UNS number relates to a specific metal or alloy and defines its specific chemical composition, or in some cases a specific mechanical or physical property. A UNS number alone does not constitute a full material ...

  9. Nonmetal - Wikipedia

    en.wikipedia.org/wiki/Nonmetal

    In 1802 the term "metalloids" was introduced for elements with the physical properties of metals but the chemical properties of non-metals. [194] However, in 1811, the Swedish chemist Berzelius used the term "metalloids" [195] to describe all nonmetallic elements, noting their ability to form negatively charged ions with oxygen in aqueous ...