Alloy SVI-1

  • Tungsten B (VA)
  • Tungsten BM
  • Alloy VNZH 7-3
  • Alloy VNZh-90
  • Alloy VNZh-95
  • Alloy VNZh-97 (VNZh 97.5)
  • Alloy VNM 3-2
  • Tungsten VRN
  • Tungsten VT-10
  • Tungsten VT-15
  • Tungsten BT-30
  • Tungsten BT-50
  • Tungsten BT-7
  • Alloy SVI-1

    • Designation

    Name The value
    Designation GOST Cyrillic СВИ-1
    Designation GOST Latin CBI-1
    Transliteration SVI-1
    By chemical elements PbВIr-1

    Description

    Alloy SVI-1 is used: for the manufacture of tungsten powder and the oxide of yttrium rods designed for welding of active metals in a protective atmosphere of argon and helium.

    Note

    Alloy utrirovannoe tungsten. The alloy with additive of yttrium oxide Y2 O3.

    Standards

    Name Code Standards
    Bars В55 TU 48-19-221-83

    Chemical composition

    Standard Si Ni Fe Al Mo Ca W
    TU 48-19-221-83 ≤0.01 ≤0.005 ≤0.007 ≤0.005 ≤0.04 ≤0.01 ≥97.623
    W is the basis.
    According to TU 48-19-221-83 in the alloy of grade SWI-1, the mass fraction of yttrium oxide Y 2 O 3 should be within the range of 1.50-2.30%.