Standard: ASTM E23

STANDARD TEST METHODS FOR NOTCHED BAR IMPACT TESTING OF METALLIC MATERIALS

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Scope:

These test methods describe notched-bar impact testing of metallic materials by the Charpy (simple-beam) test and the Izod (cantilever-beam) test. They give the requirements for: test specimens, test procedures, test reports, test machines (see Annex A1) verifying Charpy impact machines (see Annex A2), optional test specimen configurations (see Annex A3), designation of test specimen orientation (see Terminology E1823), and determining the percent of shear fracture on the surface of broken impact specimens (see Annex A4). In addition, information is provided on the significance of notched-bar impact testing (see Appendix X1), and methods of measuring the center of strike (see Appendix X2).

These test methods do not address the problems associated with impact testing at temperatures below –196 °C (77 K).

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

Exception—Section 8 and Annex A4 provide inchpound units for information only.

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. Specific precautionary statements are given in Section 5.

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

 

Organization: ASTM International
Document Number: astm e23
Publish Date: 2016-06-01
Page Count: 26
Change Type: COMPLETE REVISION
Available Languages: EN
DOD Adopted: NO
ANSI Approved: YES
Most Recent Revision: YES
Current Version: YES
Status: Active

Document History

Document # Change Type Update Date Revision Status
ASTM E23 Change Type: STCH Update Date: 2016-04-01 Revision: 16A Status: INAC
ASTM E23 Change Type: STCH Update Date: 2016-01-01 Revision: 16 Status: INAC
ASTM E23 Change Type: STCH Update Date: 2012-11-15 Revision: 12C Status: INAC
ASTM E23 Change Type: STCH Update Date: 2012-07-01 Revision: 12B Status: INAC
ASTM E23 Change Type: STCH Update Date: 2012-06-01 Revision: 12A Status: INAC
ASTM E23 Change Type: STCH Update Date: 2012-05-15 Revision: 12 Status: INAC
ASTM E23 Change Type: E1 Update Date: 2007-06-01 Revision: 07A Status: INAC
ASTM E23 Change Type: Update Date: 2007-06-01 Revision: 07A Status: INAC
ASTM E23 Change Type: Update Date: 2007-03-01 Revision: 07 Status: INAC
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