The standard GB/T 40730-2021 Nondestructive Testing, Electromagnetic Ultrasonic Pulse Echo Thickness Measurement Method specifies a method for measuring the film thickness of materials using electromagnetic ultrasonic transducers to excite and receive ultrasonic waves. This method is suitable for steel, non-ferrous metals and Miscellaneous materials with ultrasonic excitation through electromagnetic ultrasonic transducers with a temperature range between -196 ° C and 800 ° C. The standard details the technical requirements, equipment use and operating procedures required in the thickness measurement process to ensure the accuracy and reliability of the test results.
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 | J04 | ICS | 19.100 |
| Release Date | 2021-10-11 00:00:00 | Implementation Date | 2022-05-01 00:00:00 |
