ISO 7438-2020 金属材料--弯曲试验 Metallic materials--Bend test

This document specifies a method for determining the ability of metallic materials to undergo plastic deformation in bending.
This document applies to test pieces taken from metallic products, as specified in the relevant product standard. It is not applicable to certain materials or products, for example tubes in full section or welded joints, for which other standards exist.th edition 2020-10 Metallic materials — Bend test Matériaux métalliques — Essai de pliage Reference number ISO 7438:2020(E) ？ ISO 2020 ISO 7438:2020(E) COPYRIGHT PROTECTED DOCUMENT ？ ISO 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized other