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EVS-EN ISO 18203:2026

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

General information

Valid from 16.02.2026
Base Documents
ISO 18203:2026; EN ISO 18203:2026
Directives or regulations
None

Standard history

Status
Date
Type
Name
16.02.2026
Main
18.04.2022
Main

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.

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