Back (Cast Iron)

EN-GJL-200 | 5.1300 Graphite classification and fracture appearance in tensile tests

Numeric designation5.1300
Chemical designationEN-GJL-200
StateGraphite classification and fracture appearance in tensile tests
Etching3% Nital

Cast iron with lamellar graphite, pure pearlitic basic structure. The minimum tensile strength is 160-200 MPa (depending on wall thickness).

Graphite classification according to EN ISO 945-1:2019

  • Graphite form I
  • Arrangement E
  • Guide number for size range: 4

The SEM images show a force fracture by tensile testing. A transcrystalline, ductile force fracture is present. Honeycomb fracture is visible in the detailed images.