This standard stipulates the general principles of non-destructive electrochemical testing such as selective electrodes, electrochemical impedance, multiple potential scanning for metal materials and products, as well as steel in infrastructure. This standard applies to non-destructive testing of the corrosion state, corrosion tendency and corrosion rate of metal equipment and components in the service environment.
Basic Data
Standard ID
GB/T 38894-2020 (GB/T38894-2020)
Description (Translated English)
Non-destructive testing - Electrochemical testing - General principles
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J04
Classification of International Standard
19.100
Word Count Estimation
14,145
Date of Issue
2020-06-02
Date of Implementation
2020-12-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
