Cast iron СЧ20ХН

  • Cr21 cast iron
  • ChTB1.8 cast iron
  • ChNM1.2 cast iron
  • ChM1.8 cast iron
  • SCI cast iron
  • Cr35 cast iron
  • Cr30 cast iron
  • Cr25 cast iron
  • Cr24 cast iron
  • Cr20CrNi2 cast iron
  • Cr20KhN cast iron
  • Cr20 cast iron
  • Cr18 cast iron
  • Cr15 cast iron
  • Cr10 cast iron
  • Cast iron SCh03Ts01B
  • NKHT pig iron (NKHT)

    • Designation

    Name The value
    Designation GOST Cyrillic СЧ20ХН
    Designation GOST Latin CCh20XH
    Transliteration SCh20HN
    By chemical elements -

    Description

    Cast iron СЧ20ХН used: for the manufacture of castings with the lowest allowable wall thickness of 15 mm corrosion resistant parts operating in slightly alkaline and gaseous media (tsarg and other parts of the columns of the soda production).

    Note

    Corrosion resistant grey cast iron with Ni and CR.

    Standards

    Name Code Standards
    Cast iron В11 STP М319-95

    Chemical composition

    Standard C S P Mn Cr Si Ni Fe
    STP М319-95 3.2-3.7 ≤0.15 ≤0.2 0.4-0.9 0.4-0.7 1.5-2.3 0.8-1.2 Rest
    Fe is the basis.

    Mechanical properties

    σU, MPa HB, MPa
    Castings on OST 1 90077-72
    ≥200 170-241

    Description mechanical marks

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

    Technological properties

    Name The value
    Microstructure Pearlitic perlito-ferritic. Graphite plate.