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1.1 This practice covers a test procedure for measuring ultrasonic velocities in materials with conventional ultrasonic pulse echo flaw detection equipment in which results are displayed in an A-scan display. This practice describes a method whereby unknown ultrasonic velocities in a material sample are determined by comparative measurements using a reference material whose ultrasonic velocities are accurately known.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| ICS | 77.040.20 : Non-destructive testing of metals
|
| Number of pages | 14 |
| Replace | ASTM E494-10 |
| Set | ASTMVOL0303 |
| Year | 2015 |
| Document history | ASTM E494-10 |
| Country | USA |
| Keyword | ASTM 494;ASTM E494;ASTM E494;10.1520/E0494-15 |