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ASTM-A531:2006 Edition

ASTM-A531:2006 Edition

$40.63

A531/A531M-91(2006) Standard Practice for Ultrasonic Examination of Turbine-Generator Steel Retaining Rings

Published By Publication Date Number of Pages
ASTM 2006 5
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1.1 This practice covers the procedures to be followed when performing ultrasonic shear and longitudinal wave tests on turbine-generator retaining rings with an inside diameter to wall thickness ratio equal to or greater than 5:1 and with wall thicknesses from 1 to 4 in. (25 to 102 mm).

1.2 Although this practice describes methods of ultrasonically testing retaining rings by either the contact or immersion method, it shall not restrict the use of improved inspection methods as they are developed. It is recognized that techniques for examination and evaluation may be chosen in order to enhance or improve the results or to accommodate variations in procedures, equipment, or capabilities. Considering these characteristics, forgings may be inspected by a combination of both the contact and the immersion methods, as mutually agreed upon between the manufacturer and the purchaser.

1.3 This practice and the applicable material specifications are expressed in both inch-pound units and SI units. However, unless the order specifies the applicable ‘M’ specification designation SI units, the material shall be furnished to inch-pound units.

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 and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Personnel Requirements
Ordering Information
2 General Requirements
Apparatus
Preparation of the Forging for Ultrasonic Examination
Ultrasonic Couplants
Method for Shear Wave Testing
4 Method for Longitudinal Wave Testing
5 Report
Disposition

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