Download or read book GB T 38894 2020 Translated English of Chinese Standard GBT 38894 2020 GB T38894 2020 GBT38894 2020 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-09-26 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.