Brass LA77-2U

  • Brass LO70-1
  • Brass LMZA57-3-1
  • Brass LMzAJKS70-7-5-2-2-1
  • Brass LMZh57-1,5-0,75
  • Brass LMtsKA58-2-1-1
  • Brass LMtsKNS58-3-1,5-1,5-1
  • Brass LMtsKNSA58-3-1,5-1,5-1
  • Brass LMtsSKa58-2-2-1-1
  • Brass LMsh68-0,05
  • Brass LN65-5
  • Brass LNKMts49-10-0,3-0,2
  • Brass LNKoMts49-9-0,2-0,2
  • Brass ЛНМц60-9-5
  • Brass LO60-1
  • Brass LO62-1
  • Brass LKS65-1,5-3
  • Brass LO90-1
  • Brass LOK59-1-0.3
  • Brass LOMNA49-0,5-10-0,4-0,4
  • Brass Lomsh70-1-0.04
  • Brass Lomsh70-1-0.05
  • Brass LS58-2
  • Brass LS58-3
  • Brass LS59-1
  • Brass LS59-1B
  • Brass LS59-2
  • Brass LS60-1
  • Brass LS63-3
  • Brass LS64-2
  • Brass LS74-3
  • Brass LA85-0.5
  • Brass L59
  • Brass L60
  • Brass L63
  • Brass L66
  • Brass L68
  • Brass L70
  • Brass L72
  • Brass L75mk
  • Brass L80
  • Brass L85
  • Brass L90
  • Brass L96
  • Brass LA77-2
  • Brass LA77-2u
  • Brass LMZ58-2
  • Brass LAJ60-1-1 (LAJ60-1-1L)
  • Brass LAZHMTS52-2-1-1,5-1
  • Brass LAMsh77-2-0,04
  • Brass LAMSh77-2-0,05
  • Brass LAN59-3-2
  • Brass LANKMZ 75-2-2,5-0,5-0,5 (alloy 156)
  • Brass LAF94-0,5-0,15
  • Brass LZMc59-1-1
  • Brass LZhS58-1-1
  • Brass LC62-0.5
  • Brass LK75B
  • Brass LCAN80-1-1,9-5,8
  • Brass ЛКАНМЦ75-2-2,5-0,5-0,5
  • Brass LCBO62-0,2-0,04-0,5

    • Designation

    Name The value
    Designation GOST Cyrillic ЛА77-2у
    Designation GOST Latin LA77-2u
    Transliteration LA77-2u
    By chemical elements ЛAl77-2у

    Description

    Brass LA77−2U is used: for the manufacture of pipes, resistant to marine climate; drawn tubes for heat exchangers.

    Note

    Complex alloyed brass.

    Standards

    Name Code Standards
    Tape В54 GOST 15527-2004
    Tubes of non-ferrous metals and alloys В64 GOST Р 51573-2000, TU 48-21-859-88

    Chemical composition

    Standard P Mn Si Ni Fe Cu Al Sb Pb Bi
    GOST 15527-2004 0.005-0.02 0.03-0.3 0.03-0.2 0.3-1 0.03-0.1 76-79 1.7-2.5 ≤0.005 ≤0.07 ≤0.002
    Cu is the basis.
    According to GOST R 51573-2000, GOST 15527-2004 the amount of other elements should be ≤ 0.10%. The mass fraction of iron less than 0.030% in brass is not a defective feature.

    Mechanical properties

    sT|s0,2, MPa σU, MPa d10 HV, MPa
    Tube, drawn, 10-50 mm for heat exchangers supplied according to GOST R 51573-2000 (samples)
    ≥120 ≥390 ≥45 -
    ≥150 ≥420 ≥38 80-130

    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
    d10 Elongation after rupture
    HV The Vickers hardness

    Physical characteristics

    Temperature r, kg/m3
    20 8300

    A description of the physical symbols

    Name Description
    r Density
    l Coefficient of thermal conductivity