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ASTM E428 PDF
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Standard Practice for Fabrication and Control of Metal, Other than Aluminum, Reference Blocks Used in Ultrasonic Testing (Withdrawn 2019)
| Published by | Publication Date | Number of Pages |
| ASTM | 06/01/2013 | 7 |
ASTM E428 – Standard Practice forFabrication and Control of Metal, Other than Aluminum, ReferenceBlocks Used in Ultrasonic Testing (Withdrawn 2019)
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.
Note 1–Use of flat-surface reference blocks may not be suitable for cylindrical materials (3)2.
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