GB/T 13912-2020 "Metal Coatings, Hot-Dip Galvanized Coatings for Steel Parts, Technical Requirements and Test Methods" specifies the technical requirements and test methods for hot-dip galvanized coatings for steel parts. The standard applies to hot-dip galvanized coatings used in industrial and civil building structures, automobile manufacturing, bridges, ships, boilers, etc. The standard describes in detail the film thickness, Appearance, adhesion, corrosion resistance performance, surface preparation requirements and test methods of galvanized coatings, etc. Through these regulations and tests, it is ensured that galvanized coatings can effectively provide protection of metal substrates and meet the requirements under specific engineering and use conditions.
| Status | Active | ||
|---|---|---|---|
| CCS | A29 | ICS | 25.220.40 |
| Release Date | 2020-06-02 00:00:00 | Implementation Date | 2021-05-01 00:00:00 |








