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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. 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.

  4. List of named alloys - Wikipedia

    en.wikipedia.org/wiki/List_of_named_alloys

    Hiduminium or R.R. alloys (2% copper, iron, nickel): used in aircraft pistons Hydronalium (up to 12% magnesium, 1% manganese): used in shipbuilding, resists seawater corrosion Italma (3.5% magnesium, 0.3% manganese): formerly used to make coinage of the Italian lira

  5. Saw - Wikipedia

    en.wikipedia.org/wiki/Saw

    High-speed steel (HSS) The whole saw blade is made of High-Speed Steel (HSS). HSS saw blades are mainly used to cut steel, copper, aluminum and other metal materials. If high-strength steels (e.g., stainless steel) are to be cut, the blades made of cobalt HSS (e.g. M35, M42) should be used. Tungsten carbide

  6. Aermet - Wikipedia

    en.wikipedia.org/wiki/Aermet

    AerMet alloy is an ultra-high strength type of martensitic [1] alloy steel. The main alloying elements are cobalt and nickel, but chromium, molybdenum and carbon are also added. Its exceptional properties are hardness, tensile strength, fracture toughness and ductility. [2] Aermet is weldable with no preheating needed. [3]

  7. Alloy - Wikipedia

    en.wikipedia.org/wiki/Alloy

    Steel is an alloy of iron and carbon, but the term alloy steel usually only refers to steels that contain other elements— like vanadium, molybdenum, or cobalt—in amounts sufficient to alter the properties of the base steel. Since ancient times, when steel was used primarily for tools and weapons, the methods of producing and working the ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Metalworking - Wikipedia

    en.wikipedia.org/wiki/Metalworking

    The oldest archaeological evidence of copper mining and working was the discovery of a copper pendant in northern Iraq from 8,700 BCE. [2] The earliest substantiated and dated evidence of metalworking in the Americas was the processing of copper in Wisconsin, near Lake Michigan.

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