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ASTM E1253-21

Standard Guide for Reconstitution of Charpy-Sized Specimens

1.1This guide covers procedures for the reconstitution of ferritic steel, Type A Charpy V-notch specimens (Test Methods E23) and Charpy-sized fracture toughness specimens suitable for testing in three point bending in accordance with Test Methods E1921 or E1820. Ferritic steels (principally broken specimens used in nuclear power plant irradiation programs) are reconstituted by welding end tabs of similar material onto remachined specimen sections that were unaffected by the initial test. Guidelines are given for the selection of suitable specimen halves and end tab materials, for dimensional control, and for avoidance of overheating the notch area. A comprehensive overview of the reconstitution methodologies can be found in Ref (1).2

1.2The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.3This 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.

1.4This 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.


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