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EN ISO 18203:2026

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

Publication date:   Apr 16, 2026

General information

60.60   Standard published   Feb 4, 2026

CEN

CEN/TC 459/SC 1 Test methods for steel (other than chemical analysis)

European Norm

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WITHDRAWN
EN ISO 18203:2022

NOW

PUBLISHED
EN ISO 18203:2026
60.60 Standard published
Feb 4, 2026




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