GB/T 16921-1997 stipulates the technical requirements for the measurement of film thickness of metal coatings by X-ray Light spectrum method. The standard specifies the measurement principle, equipment, operation process and data processing method, and is suitable for the detection of film thickness of metal coatings. Through scientific quantitative detection methods, it provides accurate and reliable measurement basis for the production quality control of metal coatings, product acceptance and other links, and promotes the standardization and standardization of film thickness detection of metal coatings.
| Status | Abolish |
|---|---|
| CCS | A29 | ICS | 25.220.40 |
| Release Date | 1997-07-25 00:00:00 | Implementation Date | 1998-02-01 00:00:00 |