Grain Size Determination

= evaluation (as per ASTM E112 and DIN EN ISO 643) and classification of micrographic images using the line-intercept method and / or planimetric procedure.

Method: Planimetrics (or Jeffries) procedure and / or Line-intercept method
(sampling of vertical , horizontal or latticed planar cross-sections)


  • qualitative and quantitative assessment of ferrite and pearlite structures as per ASTM E112 and EN ISO 643
  • QA laboratories that carry out materials testing
  • hardening plants
  • foundries


Grain size (PDF: 395 KB) Download