Cast iron CHH28D2

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    • Designation

    Name The value
    Designation GOST Cyrillic ЧХ28Д2
    Designation GOST Latin ChX28D2
    Transliteration ChH28D2
    By chemical elements ZrCr28Cu2

    Description

    Cast iron CHH28D2 used: for the manufacture of parts with high resistance against abrasive wear and galling in the conditions of milling equipment, screens and slezov, sintering machines and sand — blasting chambers and at elevated temperatures (wear-resistant parts of hydraulic machines, which pump abrasive mixture; lining palarivattom, grinding details of coal — and ore-grinding mills, bucket bashmetov, sklesi, heat, highly resistant to blast the blades of the impellers, inserts for reinforcement bars of the secondary cooling zone of continuous casting plants steel mills lining).

    Note

    Chromium wear-resistant and corrosion-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 Ni Fe Cu
    GOST 7769-82 2.2-3 ≤0.08 ≤0.1 1.5-2.5 25-30 0.5-1.5 0.4-0.8 Rest 1.5-2.5
    Fe is the basis.

    Mechanical properties

    σU, MPa HB, MPa
    Castings on OST 1 90077-72
    ≥390 390-640

    Description mechanical marks

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