GB/T 40377-2021 "Determination of AC corrosion of metals and alloys, protection guidelines" stipulates the determination method and protection guidelines for AC corrosion of metals and alloys. The standard covers the principle of AC corrosion measurement, test methods, analysis of influencing factors, and clarifies the protection performance evaluation and judgment standards. It provides a basis for accurately determining the degree of AC corrosion and formulating scientific protection strategies, and helps to improve the corrosion resistance of metals and alloys in AC environments.
| Status | Active |
|---|---|
| CCS | H25 | ICS | 77.060 |
| Release Date | 2021-08-20 00:00:00 | Implementation Date | 2022-03-01 00:00:00 |