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1.1 This practice covers a procedure for fabrication and control of metal alloy reference blocks used in ultrasonic examination that have a flat-surface sound entry, are cylindrical in shape, and contain flat-bottom holes (FBH) which may be used for checking the performance of ultrasonic examination instrumentation and search units and for standardization and control of ultrasonic examination of metal alloy products. The reference blocks described are suitable for use with either the direct-contact method or immersion pulse-echo ultrasonic methods.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2013-06-01 |
| ICS | 77.040.20 : Non-destructive testing of metals |
| Number of pages | 7 |
| Replace | ASTM E428-08 |
| Set | ASTMVOL0303 |
| Year | 2008 |
| Document history | ASTM E428-08 |
| Country | USA |
| Keyword | ASTM 428;ASTM E428;ASTM E428;10.1520/E0428-08R13 |