"GB/T 8923.3-2009 Visual assessment of surface cleanliness of steel surface preparation before coating, Part 3: Treatment grades for surface defects in welds, edges and Miscellaneous areas" specifies the treatment grades for surface defects in welds, edges and Miscellaneous areas of steel surfaces before coating. The standard applies to steel surfaces with visible defects before and after spray cleaning, and clarifies the assessment methods and requirements for different treatment grades. The standard is equivalent to ISO 8501-3:2006 and provides a unified visual assessment basis for steel surface preparation before painting to ensure adhesion and durability after coating.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | A29 | ICS | 25.220.10 |
| Release Date | 2009-03-09 00:00:00 | Implementation Date | 2009-11-01 00:00:00 |