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ISO 20064:2019

Metallic materials — Steel — Method of test for the determination of brittle crack arrest toughness, Kca

Jul 22, 2019

General information

90.60     Dec 3, 2024

ISO

ISO/TC 164/SC 4

International Standard

77.040.10  

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Scope

This document specifies a test method for the determination of brittle crack arrest toughness.
It is applicable to ferritic steel base metals exhibiting ductile to brittle transition behaviour. Applicable materials are rolled steel plates. It is intended for materials with a tensile strength of 950 MPa or less and a test piece thickness of 200 mm or less. The range of arrest temperatures is between −196 °C and +100 °C. This document can be applied to flat rolled steel plates but not to flattened steel pipes because the flattening can cause changes in arrest toughness.

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PUBLISHED
ISO 20064:2019
90.60 Close of review
Dec 3, 2024