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  2. High-speed steel - Wikipedia

    en.wikipedia.org/wiki/High-speed_steel

    M42 is a molybdenum-series high-speed steel alloy with an additional 8% cobalt. [14] It is widely used in metal manufacturing industries because of its superior red-hardness as compared to more conventional high-speed steels, allowing for shorter cycle times in production environments due to higher cutting speeds or from the increase in time ...

  3. Spark testing - Wikipedia

    en.wikipedia.org/wiki/Spark_testing

    Manganese steel Manganese steel has medium length sparks that fork twice before ending. [5] High-speed steel High-speed steel has a faint red spark that sparks at the tip. [5] 300-series stainless steel These sparks are not so dense as the carbon steel sparks, do not fork, and are orange to straw in color. [2] 310-series stainless steel

  4. Electrical resistivities of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivities_of...

    26 Fe iron; use 6.93 nΩm 85.7 nΩm 96.1 nΩm ... high 35 Br bromine; use 7.8×10 10 Ωm LNG ... 79 Au gold; use 4.81 nΩm 20.51 nΩm 22.14 nΩm

  5. Hardnesses of the elements (data page) - Wikipedia

    en.wikipedia.org/wiki/Hardnesses_of_the_elements...

    This page was last edited on 16 November 2024, at 12:16 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    Cast iron ; Pig iron ; Iron hydride ; Kanthal (20–30% chromium, 4–7.5% aluminium); used in heating elements, including e-cigarettes; Kovar (nickel, cobalt) Spiegeleisen (manganese, carbon, silicon) Staballoy (stainless steel) (manganese, chromium, carbon) - see also Uranium below; Steel (Category:Steels) Bulat steel

  7. Steel - Wikipedia

    en.wikipedia.org/wiki/Steel

    In these processes, pig iron made from raw iron ore was refined (fined) in a finery forge to produce bar iron, which was then used in steel-making. [ 52 ] The production of steel by the cementation process was described in a treatise published in Prague in 1574 and was in use in Nuremberg from 1601.

  8. Here's Why Urban Outfitters Stock Soared Today - AOL

    www.aol.com/heres-why-urban-outfitters-stock...

    Shares of apparel retailer Urban Outfitters (NASDAQ: URBN) soared on Wednesday after the company reported financial results for its fiscal third quarter of 2025. As of 11:30 a.m. ET, Urban ...

  9. Permeability (electromagnetism) - Wikipedia

    en.wikipedia.org/wiki/Permeability...

    For example, 4% electrical steel has an initial relative permeability (at or near 0 T) of 2,000 and a maximum of 38,000 at T = 1 [5] [6] and different range of values at different percent of Si and manufacturing process, and, indeed, the relative permeability of any material at a sufficiently high field strength trends toward 1 (at magnetic ...

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