Alloy AK6M2

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  • Alloy AK9M2
  • Alloy AK9pch (AL4-1)
  • Alloy AK9s
  • Alloy AK9C6 (AK9C6r)
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  • Alloy AL1

    • Designation

    Name The value
    Designation GOST Cyrillic АК6М2
    Designation GOST Latin AK6M2
    Transliteration AK6M2
    By chemical elements -

    Description

    Alloy AK6M2 used: for the manufacture of ingots and shaped castings by various casting methods (sand casting, investment casting, gravity die casting).

    Note

    Aluminum foundry alloy of the system Al-Si-Cu.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 1583-93
    Castings, non-ferrous metals and alloys В84 OST 1 80029-83

    Chemical composition

    Standard Mn Si Ni Fe Cu Al Ti Zn Mg
    GOST 1583-93 ≤0.1 5.5-6.5 ≤0.05 ≤0.6 1.8-2.3 Rest 0.1-0.2 ≤0.06 0.3-0.45
    Al is the base.
    According to GOST 1583-93, the iron content is specified for casting in sand molds, for smelting models and casting in chill molds. The amount of impurities accounted for should be for casting in sand molds and for investment models and casting in chill molds ≤ 0.70%.

    Mechanical properties

    σU, MPa d HB, MPa
    Casting in a metal mold. Without heat treatment
    ≥230 ≥2 ≥78.4
    Casting in a metal mold. Mode T1: Artificial aging without prior tempering at 175-185 °C (extract 5-10 h)
    ≥196 ≥1 ≥70
    Casting in a metal mold. Mode T5: Quenching in water from 520-530 °C (aging for 3-5 hours) + incomplete artificial aging at 170-180 °C (extract 5-10 h)
    ≥294 ≥1 ≥75

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d Elongation after rupture
    HB Brinell hardness number