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ISO 18203:2026

Steel — Determination of the thickness of surface-hardened layers

Jan 27, 2026

General information

60.60     Jan 27, 2026

ISO

ISO/TC 17/SC 7

International Standard

77.040.99  

English   French  

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Published

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Scope

This document specifies a method of measuring the case hardening depth, surface hardening depth, nitriding hardness depth and total thickness of surface hardening depth obtained using, e.g. thermal (flame and induction hardening, electron beam hardening, laser beam hardening, etc.) or thermochemical (carbonitriding, carburizing and hardening, hardening and nitriding, etc.) treatment.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 18203:2016

NOW

PUBLISHED
ISO 18203:2026
60.60 Standard published
Jan 27, 2026

National adoptions

Steel - Determination of the thickness of surface-hardened layers (ISO 18203:2026)

50.60   Close of voting. Proof returned by secretariat

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