Alloy МЛ21

  • Alloy ML23
  • Alloy ML9
  • Alloy ML8
  • Alloy ML7-1
  • Alloy ML6
  • Alloy ML5pch
  • Alloy ML5on
  • Alloy ML5-2
  • Alloy ML5-1
  • Alloy ML5
  • Alloy ML4pch
  • Alloy ML4
  • Alloy ML3
  • Alloy ML22
  • Alloy ML21
  • Alloy ML20-1
  • Alloy ML2
  • Alloy ML19 (VML7)
  • Alloy ML18 (VML6)
  • Alloy ML17 (VML5)
  • Alloy ML15
  • Alloy ML12
  • Alloy ML11
  • Alloy ML10

    • Designation

    Name The value
    Designation GOST Cyrillic МЛ21
    Designation GOST Latin ML21
    Transliteration ML21
    By chemical elements CuЛ21

    Description

    Alloy МЛ21 used: for the manufacture of various shaped precise casting parts of aviation methods of sand casting, shell mold, gravity die casting, investment casting and plaster mold.

    Standards

    Name Code Standards
    Thermal and thermochemical treatment of metals В04 OST 1 90121-90

    Technological properties

    Name The value
    Features of heat treatment According to OST 1 90121-90 to maximize the mechanical properties of the alloy (σв, σ0,2) mode is applied Kzt61 - Quenching in warm water (80-90 °C) with a 530±5 °C (exposure 8-12 h) + Aging at 200±5 °C (exposure 8-12 hours), air cooling.