GB/T 239.2-2023: Metallic materials - Wire - Part 2: Reverse torsion test

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Scope

This Document specifies a method for determining the ability of metallic wire of diameter
dimension from 0.3 mm to 10.0 mm inclusive to undergo plastic deformation during reverse
torsion.
This Document is applied to detect surface defects, as well as to assess ductility.

Basic Data

Standard ID	GB/T 239.2-2023 (GB/T239.2-2023)
Description (Translated English)	Metallic materials - Wire - Part 2: Reverse torsion test
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H23
Classification of International Standard	77.040.10
Word Count Estimation	10,192
Date of Issue	2023-03-17
Date of Implementation	2023-07-01
Older Standard (superseded by this standard)	GB/T 239.2-2012
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration