Solder POSK50-18

  • POM2 solder
  • Solder PIC61
  • Solder POS61M
  • Solder PIC63
  • Solder PIC90
  • Solder POSK50-18
  • Solder PSSu50-0,5
  • Solder PSSu61-0,5
  • Solder POSU95-5

    • Designation

    Name The value
    Designation GOST Cyrillic ПОСК50-18
    Designation GOST Latin POCK50-18
    Transliteration POSK50-18
    By chemical elements ПSnPbCo50-18

    Description

    Solder POSK50−18 is used: for the production of ingots, round wire, round rods filled with flux tubes, powder used for brazing of parts sensitive to overheating, metalized ceramics, for step soldering capacitors.

    Note

    Solder tin-lead-cadmium antimony free.

    Standards

    Name Code Standards
    Non-ferrous metals, including rare, and their alloys В51 GOST 21930-76, GOST 21931-76, GOST 28873-90
    Norms for calculation and design В02 OST 107.460091.001-86

    Chemical composition

    Standard S Ni Fe Cu As Al Zn Sn Sb Pb Bi Cd
    GOST 21930-76 ≤0.02 ≤0.02 ≤0.02 ≤0.08 ≤0.03 ≤0.002 ≤0.002 49-51 ≤0.2 Rest ≤0.1 17-19
    Sn is the basis.

    Mechanical properties

    σU, MPa d HB, MPa HRC
    Pig in the state of delivery
    ≥39.2 ≥40 ≥480.2 ≥14

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d Elongation after rupture
    HB Brinell hardness number
    HRC Rockwell hardness (indenter diamond spheroconical)

    Physical characteristics

    Temperature r, kg/m3 l, W/(m · °C) R, Mr. · m
    20 8800 5443 133

    A description of the physical symbols

    Name Description
    l Coefficient of thermal conductivity
    С Specific heat