Alloy ВТ9Л

  • Alloy VT14L
  • Alloy VT1L
  • Alloy VT20L
  • Alloy VT21L
  • Alloy VT40L
  • Alloy VT5L
  • Alloy VT6L
  • Alloy VT9L
  • Alloy ET2
  • Alloy ET3
  • Alloy ET5
  • Alloy ET7

    • Designation

    Name The value
    Designation GOST Cyrillic ВТ9Л
    Designation GOST Latin BT9L
    Transliteration VT9L
    By chemical elements ВTe9

    Description

    Alloy ВТ9Л used: for the manufacture of castings of high-loaded details of responsible use fill in a chemically neutral form: of cast housings of aircraft engines, turbines, impellers etc.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 OST 1 90030-77
    Castings, non-ferrous metals and alloys В84 OST 1 90060-92

    Chemical composition

    Standard C Si Fe N Al Ti Mo W O Zr H
    OST 1 90030-77 ≤0.15 0.3-0.35 ≤0.3 ≤0.05 5.6-7 Rest 2.8-3.8 ≤0.2 ≤0.16 0.8-2 ≤0.01
    Ti is the basis.
    According to OST 1 90030-77 the amount of other (not indicated) impurities should be no more than 0.30%. A partial replacement of molybdenum by tungsten in an amount of no more than 0.30% is allowed, but the total content of molybdenum and tungsten should not exceed the norms specified for molybdenum. The total content in the alloy of chromium and manganese is allowed not more than 0.15%. The total content of copper and nickel in the alloy is allowed in an amount not exceeding 0.10%, including nickel not more than 0.080%.

    Mechanical properties

    sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
    Casting as supplied after annealing
    ≥814 932-1128 ≥4 ≥8 ≥196

    Description mechanical marks

    Name Description
    sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
    σU Limit short-term strength
    d Elongation after rupture
    y The relative narrowing
    KCU Toughness