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
PROJECT
ISO/DIS 4885
40.60
Close of voting
Jan 3, 2026
Ferrous materials - Heat treatments - Vocabulary (ISO/DIS 4885:2025)
40.60 Close of voting