ISO 4885:2018 defines important terms used in the heat treatment of ferrous materials.
NOTE The term ferrous materials include products and workpieces of steel and cast iron.
Annex A provides an alphabetical list of terms defined in this document, as well as their equivalents in French, German, Chinese and Japanese.
Table 1 shows the various iron-carbon (Fe-C) phases.
PUBLISHED
ISO 4885:2018
IN_DEVELOPMENT
ISO/FDIS 4885
50.00
Final text received or FDIS registered for formal approval
20 mar 2026