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  2. Machinability - Wikipedia

    en.wikipedia.org/wiki/Machinability

    The American Iron and Steel Institute (AISI) determined machinability ratings for a wide variety of materials by running turning tests at 180 surface feet per minute (sfpm). [9] It then arbitrarily assigned 160 Brinell B1112 steel a machinability rating of 100%. [9]

  3. Alloy steel - Wikipedia

    en.wikipedia.org/wiki/Alloy_steel

    Aluminum: 0.95–1.30 Alloying element in nitriding steels Bismuth — Improves machinability Boron: 0.001–0.003 (Boron steel) A powerful hardenability agent Chromium: 0.5–2 Increases hardenability 4–18 Increases corrosion resistance Copper: 0.1–0.4 Corrosion resistance Lead — Improved machinability Manganese: 0.25–0.40

  4. Ferroaluminum - Wikipedia

    en.wikipedia.org/wiki/Ferroaluminum

    Ferroaluminum (FeAl) is a ferroalloy, consisting of iron and aluminium.The metal usually consists of 40% to 60% aluminium. Applications of ferroaluminum include the deoxidation of steel, [1] hardfacing applications, reducing agent, thermite reactions, AlNiCo magnets, and alloying additions to welding wires and fluxes. [2]

  5. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    The machinability rating of a material attempts to quantify the machinability of various materials. It is expressed as a percentage or a normalized value. The American Iron and Steel Institute (AISI) determined machinability ratings for a wide variety of materials by running turning tests at 180 surface feet per minute (sfpm). It then ...

  6. Aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/Aluminium_alloy

    Note that the term aircraft aluminium or aerospace aluminium usually refers to 7075. [65] [66] 4047 aluminium is a unique alloy used in both the aerospace and automotive applications as a cladding alloy or filler material. As filler, aluminium alloy 4047 strips can be combined to intricate applications to bond two metals. [67]

  7. Gray iron - Wikipedia

    en.wikipedia.org/wiki/Gray_iron

    Gray iron is a common engineering alloy because of its relatively low cost and good machinability, ... White iron: 2–4 Steel: 4 Aluminum: 0.47

  8. Grinding (abrasive cutting) - Wikipedia

    en.wikipedia.org/wiki/Grinding_(abrasive_cutting)

    Aluminum, brass, and plastics can have poor-to-fair machinability characteristics for cylindrical grinding. Cast Iron and mild steel have very good characteristics for cylindrical grinding. Stainless steel is very difficult to grind due to its toughness and ability to work harden, but can be worked with the right grade of grinding wheels.

  9. Arbor milling - Wikipedia

    en.wikipedia.org/wiki/Arbor_milling

    Materials with good or excellent machinability include aluminum, brass, mild steel, cast iron, and thermoset plastics. Though initially ductile, stainless steel tends to work harden and thus has only a fair compatibility with this milling process (though it is in the feasible range).

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