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ISO/FDIS 4885

Ferrous materials — Heat treatments — Vocabulary

General information

50.00     Mar 20, 2026

ISO

ISO/TC 17

International Standard

77.140.01     25.200     01.040.77     01.040.25  

Scope

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 4885:2018

NOW

IN_DEVELOPMENT
ISO/FDIS 4885
50.00 Final text received or FDIS registered for formal approval
Mar 20, 2026