Cast iron CHG7H4

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    • Designation

    Name The value
    Designation GOST Cyrillic ЧГ7Х4
    Designation GOST Latin ChG7X4
    Transliteration ChG7H4
    By chemical elements ZrMn7Cr4

    Description

    Cast iron CHG7H4 used: for the manufacture of parts with increased resistance against abrasive wear and abrasion in pulpo — and fileprovider, mills (grinding wear-resistant parts of equipment, parts of pumps, mills lining, hard sandblasting cameras).

    Note

    Manganese wear-resistant high-alloy 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 Fe
    GOST 7769-82 3-3.8 ≤0.05 ≤0.1 6-8 3-5 1.4-2 Rest
    Fe is the basis.

    Mechanical properties

    σU, MPa HB, MPa
    Castings on OST 1 90077-72
    ≥150 390-450

    Description mechanical marks

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