Cast iron ЧН5Г8 (ГН8-5)

  • S-Ni35 cast iron
  • Cast iron CHN
  • Cast iron CHN5G8 (GN8-5)
  • S-NiSiCr30-5-5 cast iron
  • S-NiSiCr20-5-2 cast iron
  • S-NiMn23-4 cast iron
  • S-NiMn13-7 cast iron
  • S-NiCr35-3 cast iron
  • S-NiCr30-3 cast iron
  • S-NiCr30-1 cast iron
  • S-NiCr20-3 cast iron
  • S-NiCr20-2 cast iron
  • S-Ni22 cast iron
  • L-NiSiCr30-5-5 cast iron
  • L-NiSiCr20-5-3 cast iron
  • L-NiMn13-7 cast iron
  • L-NiCuCr15-6-3 cast iron
  • L-NiCuCr15-6-2 cast iron
  • L-NiCr30-3 cast iron
  • L-NiCr20-3 cast iron
  • L-NiCr20-2 cast iron
  • L-Ni35 cast iron

    • Designation

    Name The value
    Designation GOST Cyrillic ЧН5Г8
    Designation GOST Latin ChH5G8
    Transliteration ChN5G8
    By chemical elements ZrН5Mn8
    Name The value
    Designation GOST Cyrillic ГН8-5
    Designation GOST Latin GH8-5
    Transliteration GN8-5
    By chemical elements MnН8-5

    Description

    Cast iron ЧН5Г8 used: for the manufacture of casting parts of valves and actuators to it.

    Note

    Manganese corrosion resistant heat resistant high alloy cast iron.

    Standards

    Name Code Standards
    Cast iron castings (grey and malleable cast iron) В81 OST 24.207.01-90

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu
    OST 24.207.01-90 3-3.5 0.08 ≤0.2 8-9 ≤1 2.5-3 3-6 Rest ≤1.5
    Fe is the basis.

    Mechanical properties

    σU, MPa d HB, MPa
    Casting as supplied. Annealing at 930-950 °C, exposure for 3-4 hours, cooling with the furnace to 600 °C, air cooling
    ≥150 ≥1.5 160-230

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    d Elongation after rupture
    HB Brinell hardness number