Cold rolled steel plate phosphoric acid conversion film test methods, including the principle of the test, test conditions, equipment, sample treatment methods, test procedures and results evaluation. Cold rolled steel plate is mainly used to evaluate the phosphoric acid conversion film after the surface characteristics and coating mass, to ensure its corrosion resistance and service life in automotive manufacturing.
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 | H46 | ICS | 77.140.50 |
| Release Date | 2020-06-02 00:00:00 | Implementation Date | 2021-01-01 00:00:00 |
