Reference number
ISO 20064:2019
ISO 20064:2019
© ISO 2024
International Standard
ISO 20064:2019
Metallic materials — Steel — Method of test for the determination of brittle crack arrest toughness, Kca
Edition 1
2019-07
2019-07
Abstract
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.
General information
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Status: PublishedPublication date: 2019-07Stage: Close of review [90.60]
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Edition: 1Number of pages: 45
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Technical Committee :ISO/TC 164/SC 4ICS :77.040.10
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