Cast iron CHH9N5

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    • Designation

    Name The value
    Designation GOST Cyrillic ЧХ9Н5
    Designation GOST Latin ChX9H5
    Transliteration ChH9N5
    By chemical elements ZrCr9Н5

    Description

    Cast iron CHH9N5 used: for the manufacture of parts with high resistance against abrasive wear and abrasion in the mills, pescaito and dreameth (wear-resistant parts of hydraulic machines, which pump abrasive mixture of the lining of palarivattom etc., grinding details of coal — and ore-grinding mills, bucket bashmetov, sklesi, heat, etc.).

    Note

    Chromium wear-resistant alloyed cast iron.

    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 Mo
    GOST 7769-82 2.8-3.6 ≤0.1 ≤0.06 0.5-1.5 8-9.5 1.2-2 4-6 Rest 0.08-0.4
    Fe is the basis.
    According to GOST 7769-82, copper content up to 1.50% is allowed, introduced by natural alloy cast iron, alloyed with steel scrap or magnesium-containing ligature.

    Mechanical properties

    σU, MPa HB, MPa
    Castings on OST 1 90077-72
    ≥350 490-610

    Description mechanical marks

    Name Description
    σU Limit short-term strength
    HB Brinell hardness number