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ISO 18203:2016

Steel -- Determination of the thickness of surface-hardened layers

General information

Withdrawn from 27.01.2026
Directives or regulations
None

Standard history

Status
Date
Type
Name
27.01.2026
Main
05.12.2016
Main
Main
ISO 3754:1976
Main
ISO 4970:1979
Main
ISO 2639:2002
ISO 18203:2016 specifies a method of measuring the case hardening depth, surface hardening depth, nitriding hardness depth and total thickness of surface hardening depth obtained, 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.

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