Cast iron CHN20D2SH

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  • Cast iron CHN20D2SH
  • Cast iron CHG6S3SH
  • ChG7X4 cast iron
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  • Cast iron CHN19Kh3SH

    • Designation

    Name The value
    Designation GOST Cyrillic ЧН20Д2Ш
    Designation GOST Latin ChH20D2Sh
    Transliteration ChN20D2Sh
    By chemical elements ZrН20Cu2

    Description

    Cast iron CHN20D2SH used: for the manufacture of parts with high mechanical properties at operation temperatures up to -100 °C (the pumps and other items of oil and petrochemical industry, the details of the fuel valves).

    Note

    Nickel heat-resistant, cold-resistant and low high alloy cast iron. Cast iron has high toughness of at least 3.0 Daj/cm2 for samples with a sharp notch (Charpy) and can be plastically deformed in the cold state.

    Standards

    Name Code Standards
    Castings with special properties (iron and steel) В83 GOST 7769-82

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe Cu Al
    GOST 7769-82 1.8-2.5 ≤0.01 ≤0.03 1.5-2 0.5-1 3-3.5 19-21 Rest 1.5-2 ≤0.3
    Fe is the basis.

    Mechanical properties

    σU, MPa d HB, MPa
    Castings on OST 1 90077-72
    ≥500 ≥25 120-220

    Description mechanical marks

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