ASTM-E23 Standard Test Methods for Notched Bar Impact Testing of Metallic Materials

ASTM-E23 - 2016B EDITION - CURRENT
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Scope

1.1 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).

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

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

1.3.1 Exception—Section 8 and Annex A4 provide inch-pound units for information only.

1.4 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.

Keywords

Charpy test; fracture appearance; impact test; Izod test; notched specimens; pendulum machine;; ICS Number Code 77.040.10 (Mechanical testing of metals)

To find similar documents by ASTM Volume:

03.01 (Metals -- Mechanical Testing; Elevated and Low-Temperature Tests; Metallography)

To find similar documents by classification:

77.040.10 (Mechanical testing of metals Mechanical testing in general, see 19.060 Mechanical testing of welded joints, see 25.160.40)

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Document Number

ASTM-E23-16b

Revision Level

2016B EDITION

Status

Current

Modification Type

Revision

Publication Date

June 15, 2016

Document Type

Test Method

Page Count

26 pages

Committee Number

E28.07