Brass LC30A3 (ЛА67-2,5)

  • Brass LSdh
  • Brass ЛЦ40Сd (ЛС59-1ЛД)
  • Brass LC40S (LS59-1L)
  • Brass ЛЦ40Мц3Ж (ЛМцЖ55-3-1)
  • Brass ЛЦ40Мц3А
  • Brass ЛЦ40Мц1,5 (ЛМц58-2L)
  • Brass LC40AJ
  • Brass ЛЦ38Мц2С2
  • Brass ЛЦ37Мц2С2К
  • Brass LC30A3 (LA67-2,5)
  • Brass ЛЦ25С2
  • Brass LC23A6Zh3Mz2
  • Brass ЛЦ16К4 (ЛК80-3L)
  • Brass ЛЦ14К3С3
  • Brass LC10 (L90L)
  • Brass LSch
  • LSd brass
  • LS Brass
  • Brass VOC
  • Brass LMZSCA
  • Brass LMZSC
  • Brass LMZS (LMZS58-2-2)
  • Brass LMZKA
  • Brass LMZh
  • LKS Brass
  • Brass LK2
  • Brass LK1
  • Brass LC
  • Brass LAMZ (LAMZ66-6-3-2)
  • Brass LA

    • Designation

    Name The value
    Designation GOST Cyrillic ЛЦ30А3
    Designation GOST Latin LTs30A3
    Transliteration LTs30A3
    By chemical elements ЛZn30Al3
    Name The value
    Designation GOST Cyrillic ЛА67-2,5
    Designation GOST Latin LA67-2,5
    Transliteration LA67-25
    By chemical elements ЛAl67-2,5

    Description

    Brass LC30A3 used: for the manufacture of castings of corrosion-resistant parts used in engineering, shipbuilding, marine engineering and instrument making.

    Note

    Brass aluminum.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 17711-93, GOST Р 50425-92
    Castings, non-ferrous metals and alloys В84 OST 1 90046-72, OST 5Р.9209-82

    Chemical composition

    Standard P Mn Si Ni Fe Cu Al Zn Sn Sb Pb
    GOST 17711-93 ≤0.05 ≤0.5 - ≤0.3 ≤0.8 66-68 2-3 Rest ≤0.7 ≤0.1 ≤0.7
    OST 5Р.9209-82 ≤0.05 ≤0.5 ≤0.3 - ≤0.8 66-68 2-3 Rest ≤0.7 ≤0.1 ≤0.7
    Zn is the basis.
    According to GOST 17711-93 and OST 5P.9209-82, the total share of impurities should be ≤ 2.6%. Impurities not specified are taken into account in the total amount of impurities.

    Mechanical properties

    σU, MPa d5, % KCU, kJ/m2 HB, MPa
    Castings are supplied without heat treatment
    ≥392 ≥15 ≥783 ≥90
    ≥294 ≥12 ≥784 ≥80
    Casting investment casting according to OST 1 90046-72 (samples separately cast or cut from castings)
    ≥294 ≥15 - ≥90

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d5 Elongation after rupture
    KCU Toughness
    HB Brinell hardness number