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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 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. List of blade materials - Wikipedia

    en.wikipedia.org/wiki/List_of_blade_materials

    CPM REX 20 (HS) [49] is a cobalt-free super high-speed steel made by the CPM process. CPM REX 45 (HS) [50] is an 8% cobalt modification of M3 high speed steel made by the CPM process. As of September 2018, this steel was used in some limited-run production knives from Spyderco.

  5. Tool steel - Wikipedia

    en.wikipedia.org/wiki/Tool_steel

    Steel of about 0.8% C gets as hard as steel with more carbon, but the free iron carbide particles in 1% or 1.25% carbon steel make it hold an edge better. However, the fine edge probably rusts off faster than it wears off, if it is used to cut acidic or salty materials.

  6. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    Kovar (nickel, cobalt) Spiegeleisen (manganese, carbon, silicon) Staballoy (stainless steel) (manganese, chromium, carbon) - see also Uranium below; Steel (Category:Steels) Bulat steel; Chromoly (chromium, molybdenum) Crucible steel; Damascus steel; Ducol; Hadfield steel; High-speed steel. Mushet steel; HSLA steel; Maraging steel; Reynolds 531 ...

  7. Maraging steel - Wikipedia

    en.wikipedia.org/wiki/Maraging_steel

    The first maraging steel was developed by Clarence Gieger Bieber at Inco in the late 1950s. It produced 20 and 25 wt% Ni steels with small additions of aluminium, titanium, and niobium. [2] A rise in the price of cobalt in the late 1970s led to cobalt-free maraging steels. [3]

  8. Superalloy - Wikipedia

    en.wikipedia.org/wiki/Superalloy

    A superalloy, or high-performance alloy, is an alloy with the ability to operate at a high fraction of its melting point. [1] Key characteristics of a superalloy include mechanical strength , thermal creep deformation resistance, surface stability, and corrosion and oxidation resistance.

  9. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    A tungsten carbide tipped (TCT) and high-speed steel (HSS) annular cutter (also known as a "core drill" or "hole saw"). An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal.

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