Alloy МНМц68-4-2

  • Alloy MNTS16-29-1.8
  • Alloy MNMts43-0.5 (Kopel)
  • Alloy MNMts5-3.7
  • Alloy MNMz60-20-20
  • Alloy MNMts68-4-2
  • Alloy MNMtsAZh3-12-0.25-0.2
  • Alloy MNMtsAZh3-12-0,3-0,3 (Manganin)
  • Alloy MNMtsAZhVTNb40-2-1,5-1,4 (MN40S)
  • Alloy MNMZh40-1,4-0,45
  • Alloy MNTs12-24
  • Alloy MNTs15-20 (Neusilber)
  • Alloy MNTs18-20
  • Alloy MNC18-27
  • Alloy MNMts4.5-1.5 (Alloy A)
  • Alloy Neusilber 30
  • Alloy NK
  • Alloy NK2.4 (Cilin)
  • Alloy HM25
  • Alloy NM40A
  • Alloy NM60A
  • Alloy NMZhMz28-2,5-1,5
  • Alloy NMMKZhMC30-4-2-1 (VKM)
  • Alloy NMMZTA26-1,5-1,1-0,5
  • Alloy NMCAT3-1,5-0,6
  • Alloy NMCATC1-1,5-2,5-0,15
  • Alloy NHC9-0.9 (Silch)
  • Alloy Alloy 273
  • Alloy MNA13-3 (Kunial A)
  • Castolin Alloy
  • Alloy MN0.6 (Alloy TP)
  • Alloy MN10
  • Alloy MN15
  • Alloy MH16 (Alloy TB)
  • Alloy MH17 (Alloy B)
  • Alloy MN19 (Melchior)
  • Alloy MN2.15
  • Alloy MN23
  • Alloy MN25
  • Alloy MN45 (Constantan)
  • Alloy MN6
  • Alloy MN95-5
  • Alloy MNMts40-1.5 (Constantan)
  • Alloy MNA6-1.5 (Kunial B)
  • Alloy MNAZHMZ6-0.8-0.8-0.6 (BS-3)
  • Alloy MNAKH11-2,5-1,0-0,8 (Alloy 131)
  • Alloy MNAHMC15-3,5-2-3 (Alloy 538)
  • Alloy MNAHMc20-4-3-4 (Alloy 546; Camelon)
  • Alloy MNAXMZ4,5-4,5-0,7-2,5 (Kamelin)
  • Alloy MNZh5-1
  • Alloy MNZh9.3-0.5 (Menigel)
  • Alloy MNZHKT5-1-0,2-0,2
  • Alloy MNZHMZ10-1-1
  • Alloy MNZHMZ30-1-1
  • Alloy MNMts3-12 (Manganin)

    • Designation

    Name The value
    Designation GOST Cyrillic МНМц68-4-2
    Designation GOST Latin MHMts68-4-2
    Transliteration MNMts68-4-2
    By chemical elements CuNiMn68-4-2

    Description

    Alloy МНМц68−4-2 is used: for the manufacture of tapes, strips and bars used for welding of machinery; for brazing of sintered hard alloys in the manufacture of carbide cutting tools.

    Note

    The alloy system Copper-Zinc-Nickel-Manganese.
    Solder МНМц68−4-2 — single layer, good flow on the brazed surfaces, in comparison with solder ЛМцЖ57−1,5−0,75 provides higher strength of the solder joint, but causes a higher level of residual stress in soldering the solid alloy, which may increase the likelihood of cracking during production and damage when operating the tool. Recommended for brazing of cutting tools operating under severe conditions at elevated temperatures. The application is only useful if the strength of the solder joint when using solder ЛМцЖ57−1,5−0,75 insufficient.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 28873-90, OST 48-184-81

    Chemical composition

    Standard Mn Ni Cu Zn
    OST 48-184-81 1.5-2.5 4-5 62-68 Rest
    Cu is the basis.
    According to OST 48-184-81, the total content of all impurities in the alloy MNMc68-4-2 should be ≤ 0.30%.

    Mechanical properties

    sT|s0,2, MPa σU, MPa d y, % KCU, kJ/m2
    Solder supplied at OST 48-184-81
    ≥137 ≥323 ≥43 ≥42 ≥1270
    ≥108 ≥255 ≥47 ≥45 ≥1160
    ≥98 ≥235 ≥40 ≥35 ≥930
    ≥98 ≥206 ≥30 ≥25 ≥740
    ≥98 ≥157 ≥15 ≥15 ≥590
    ≥69 ≥98 ≥12 ≥25 ≥350
    ≥39 ≥49 ≥23 ≥25 ≥460

    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