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SSH EN ISO 642:2024

Steel - Hardenability test by end quenching (Jominy test) (ISO 642:2024)

Oct 10, 2025

General information

60.60     Oct 10, 2025

95.99   

DPS

DPS/KT 133

European Norm

77.040.99  

English  

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Scope

This document specifies a method for determining the hardenability of steel by end quenching (Jominy test) by using a test piece 25 mm in diameter and at least 100 mm long.
By agreement and for a defined field of application, the test described in this document can be replaced by the calculation of the Jominy curve according to an accepted mathematical model.

Life cycle

PREVIOUSLY

WITHDRAWN
SSH EN ISO 642:2005

NOW

PUBLISHED
SSH EN ISO 642:2024
60.60 Standard published
Oct 10, 2025

Related project

Adopted from EN ISO 642:2024 IDENTICAL

Adopted from ISO 642:2024 IDENTICAL