GB/T 5270-2024: Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion

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Scope

This Document reviews the test methods for checking the adhesion strength of electrodeposited
and chemically deposited coatings, which are limited to qualitative tests.
This Document applies to the selection of test methods for adhesion strength of electrodeposited
and chemically deposited coatings on metallic substrates.
This Document does not describe some quantitative test methods for the adhesion strength of
metallic coatings and substrates developed at different times. Because such tests require special
equipment and considerable skills in operation, they are not suitable as quality control tests for
product parts, but some quantitative test methods can play a role in research and development
work.

Basic Data

Standard ID	GB/T 5270-2024 (GB/T5270-2024)
Description (Translated English)	Metallic coatings on metallic substrates - Electrodeposited and chemically deposited coatings - Review of methods available for testing adhesion
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A29
Classification of International Standard	25.220.40
Word Count Estimation	18,194
Date of Issue	2024-06-29
Date of Implementation	2025-01-01
Older Standard (superseded by this standard)	GB/T 5270-2005
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration