ISO/DIS 4885

Ferrous materials — Heat treatments — Vocabulary

General information

Current stage: 40.20 Effective date: Oct 10, 2025

Originator: ISO

Owner: ISO/TC 17

Type: International Standard

ICS: 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/DIS 4885
40.20 DIS ballot initiated: 12 weeks
Oct 10, 2025

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