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ASTM E1685

Standard Practice for Measuring the Change in Length of Bolts Using the Ultrasonic Pulse-Echo Technique

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Organization: ASTM
Publication Date: 1 October 2020
Status: active
Page Count: 5
ICS Code (Measuring instruments): 17.040.30
ICS Code (Fasteners in general): 21.060.01
scope:

This practice covers a procedure for measuring changes in length of threaded bolts using the ultrasonic pulse-echo technique.

This procedure is normally intended for metal bolting 6.3 mm or more in nominal diameter with effective length-to-diameter ratios of 2:1 or greater.

The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

*A Summary of Changes section appears at the end of this standard

Document History

ASTM E1685
October 1, 2020
Standard Practice for Measuring the Change in Length of Bolts Using the Ultrasonic Pulse-Echo Technique
This practice covers a procedure for measuring changes in length of threaded bolts using the ultrasonic pulse-echo technique. This procedure is normally intended for metal bolting 6.3 mm or more in...
November 1, 2013
Standard Practice for Measuring the Change in Length of Fasteners Using the Ultrasonic Pulse-Echo Technique
This practice covers a procedure for measuring changes in length of threaded fasteners using conventional ultrasonic pulse-echo bolt-measuring instrumentation which has been properly calibrated....
October 10, 2000
Standard Practice for Measuring the Change in Length of Fasteners Using the Ultrasonic Pulse-Echo Technique
1. Scope 1.1 This practice covers a procedure for measuring changes in length of threaded fasteners using conventional ultrasonic pulse-echo bolt-measuring instrumentation which has been properly...
October 10, 2000
Standard Practice for Measuring the Change in Length of Fasteners Using the Ultrasonic Pulse-Echo Technique
This practice covers a procedure for measuring changes in length of threaded fasteners using conventional ultrasonic pulse-echo bolt-measuring instrumentation which has been properly calibrated....
February 15, 1995
Standard Practice for Measuring the Change in Length of Fasteners Using the Ultrasonic Pulse-Echo Technique
1. Scope 1.1 This practice covers a procedure for measuring changes in length of threaded fasteners using conventional ultrasonic, pulse-echo bolt-measuring instrumentation which has been properly...

References

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