GB/T 39152-2020: Test method of the bending stress relaxation for copper and copper alloy

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Scope

This Standard specifies the method principles, instruments and apparatuses,
samples, test conditions, determination of various parameters before the test,
test procedures, test data processing, and test reports for the test method of
the bending stress relaxation for copper and copper alloy materials.
This Standard applies to the determination of the bending stress relaxation
properties for copper and copper alloy plates and strips whose thickness is 0.1
mm ~ 1.0 mm under constant strain conditions.

Basic Data

Standard ID	GB/T 39152-2020 (GB/T39152-2020)
Description (Translated English)	Test method of the bending stress relaxation for copper and copper alloy
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H22
Classification of International Standard	77.040.10
Word Count Estimation	10,147
Date of Issue	2020-10-11
Date of Implementation	2021-09-01
Regulation (derived from)	National Standard Announcement No. 21 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration