The Alloy PDV-20 (PDV 80-20)

  • Alloy ПДВ-20 (ПДВ 80-20)
  • Alloy PdI-10
  • Alloy PdI-18
  • Alloy PdM-15 (PdM 850-150)
  • Alloy PdSr-20
  • Alloy PdSr-30
  • Alloy PdSr-40
  • Alloy PdSrK-35-5
  • Alloy PdSrM-36-4
  • Alloy PdSrN-13-2 (PdSrN 850-130)
  • Alloy PdSrN-45-5 (PdSrN 500-450)

    • Designation

    Name The value
    Designation GOST Cyrillic ПдВ-20
    Designation GOST Latin PdB-20
    Transliteration PdV-20
    By chemical elements PdВ-20
    Name The value
    Designation GOST Cyrillic ПдВ 80-20
    Designation GOST Latin PdB 80-20
    Transliteration PdV 80-20
    By chemical elements PdВ 80-20

    Description

    The alloy PDV-20 is used: for production of wire, used as resistive material in electric and electronic industry with operating temperatures from minus 60 to plus 150 °C.

    Note

    Palladium-tungsten alloy.

    Standards

    Name Code Standards
    Wire from nonferrous metals and their alloys В74 GOST 26469-85

    Chemical composition

    Standard Fe W Pd
    GOST 26469-85 ≤0.1 18-20 80-82
    Pd is the basis.
    According to GOST 26469-85 the chemical composition is given for the alloy of the brand ПДВ-20. The total mass fraction of impurities (platinum, rhodium, iridium and gold) is not more than 0.20%.

    Mechanical properties

    Section, mm σU, MPa
    Wire in the delivery state according to GOST 26469-85
    ≤0.1 765-1030
    0.1 765-981
    0.02-0.16 ≥1079

    Description mechanical marks

    Name Description
    σU Limit short-term strength

    Physical characteristics

    Temperature R, Mr. · m
    20 850-1100

    A description of the physical symbols

    Name Description
    Е The normal elasticity modulus
    l Coefficient of thermal conductivity

    Technological properties

    Name The value
    Corrosion resistance The alloy is resistant to aggressive environments as well as precious metals.
    Operating temperature Operating temperature from minus 60 to plus 150 °C.