Cast iron CHN15D7

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  • ChG7X4 cast iron
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  • Cast iron CHN15D3Sh
  • Cast iron CHN15D7
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    • Designation

    Name The value
    Designation GOST Cyrillic ЧН15Д7
    Designation GOST Latin ChH15D7
    Transliteration ChN15D7
    By chemical elements ZrН15Cu7

    Description

    Cast iron CHN15D7 used: for the manufacture of parts with high corrosion and erosion resistance to alkalis, weak acid solutions, sulfuric acid of any concentration up to 50 °C, in sea water, in the environment of superheated water vapor (pumps, valves and other fittings of oil, chemical, petroleum and valve manufacturing; non-magnetic castings electrical industry; insertion of cylinder liners, heads, pistons, valve seats and valve guides and exhaust manifolds of internal combustion engines).

    Note

    Wear-resistant and low Nickel high-alloy cast iron. Cast iron has a high coefficient of thermal expansion, can be paramagnetic at low chromium content.

    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 ≤0.1 ≤0.3 0.5-1.6 1.5-3 2-2.7 14-16 Rest 5-8
    Fe is the basis.

    Mechanical properties

    σU, MPa HB, MPa
    Castings on OST 1 90077-72
    ≥150 120-297

    Description mechanical marks

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