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ISO 18203:2026

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

Publication date:   Jan 27, 2026

General information

60.60   Standard published   Jan 27, 2026

ISO

ISO/TC 17/SC 7 Methods of testing (other than mechanical tests and chemical analysis)

International Standard

77.040.99   Other methods of testing of metals

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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WITHDRAWN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




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