Solder Possu25-2

  • Solder PSSu25-2
  • Solder PSSu8-3
  • Solder PSSu5-1
  • Solder PSSu40-2
  • Solder PSSu40-0,5
  • Solder PSSu4-6
  • Solder PSSu4-4
  • Solder POSSU35-2
  • Solder POSSU35-0,5
  • Solder PSSu30-2
  • Solder PSSu30-0,5
  • Solder PSSu25-0,5
  • Solder POSSU18-2
  • Solder POSSU18-0,5
  • Solder POSSU15-2
  • Solder PSSu10-2
  • Solder POSK2-18
  • Solder PIC40
  • Solder PIC30
  • Solder PIC10

    • Designation

    Name The value
    Designation GOST Cyrillic ПОССу25-2
    Designation GOST Latin POCCu25-2
    Transliteration POSSu25-2
    By chemical elements ПSnPbSb25-2

    Description

    Solder Possu25−2 applies: for the production of ingots, round wire, round rods filled with flux tubes, powder used for tinning and soldering of refrigerating apparatus building, electric manufacturing, motor industry, for abrasive soldering.

    Note

    Solder tin-lead-antimony.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 21930-76, GOST 21931-76, GOST 28873-90

    Chemical composition

    Standard S Ni Fe Cu As Al Zn Sn Sb Pb Bi
    GOST 21930-76 ≤0.02 ≤0.08 ≤0.02 ≤0.08 ≤0.02 ≤0.002 ≤0.002 24-26 1.5-2 Rest ≤0.2
    Pb is the basis.

    Mechanical properties

    σU, MPa d KCU, kJ/m2
    Pig in the state of delivery
    ≥37.28 ≥35 ≥235.2

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d Elongation after rupture
    KCU Toughness

    Physical characteristics

    Temperature r, kg/m3 l, W/(m · °C) R, Mr. · m
    20 9800 3768 185

    A description of the physical symbols

    Name Description
    l Coefficient of thermal conductivity
    С Specific heat