Standard Methods for Notched Bar Impact Testing of Metallic Materials

General Information

Status
Historical
Publication Date
31-Dec-1981
Technical Committee
Drafting Committee
Current Stage
Ref Project

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ASTM E23-82 - Standard Methods for Notched Bar Impact Testing of Metallic Materials
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Standards Content (Sample)

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NOTICE: This standard has either been superseded and replaced by a new version or discontinued. Contact
ASTM International (www.astm.org) for the latest information.
AMERICAN SOCIETY FOR TESTING ANO MATERIALS
1916 Race St., Philadelphia, Pa. 19103
Reprinted from the Annual Book of ASTM Standards. Cc,pyright ASTM
1f not listed in the curt'ent combined inde>e, will appear in the next edition.
Standard Methods for
NOTCHED BAR IMPACT TESTING OF METALLIC
MATERIALS'
This �l�dard is i�ucd u�der the fixed d�${111ion E 2}; 1he numberi mmed!atclyfol1,�irtg1hc desig.nalionindicatcHhc yea,
.
r ont,1nal 2d<>pt1(>ll Or', u'l tht C3St (,( rc-vi$KHI, lhe year of Jasl revi.sion. A number 111 p11n:n1beses indkat-es .the )'Cat I.}( IJ1$I
o
rt.tpproval. A suptr$Crip,t epsilon (f) indicates an echtQrial cha.ngc since the last tC\'i$iQn or rcappro\·3J.
Tire.fr n:tth()dt harr bttn .Me1lrod Standard No. JS/band/IN 1/uhtg In tht DoD Jndu of Spttif,WUHlsattd Swndards.
NO'rti-figures 2, 3. 4, S, <>. 7, 11. )2. IJ. 14. 15. and 16 wel"t tditC)riaUy coru:�ted. and tht dts.ignatie)n date w;t,,s changed
March 5. 1982.
I. Scope cases with high or low temperatures. For some
materials and temperatures. impact tes1s on
I.I These methods describe notched-bar im­
notched specimens have been found to predict
pact
testing of metallic materials by the Charpy
the
likelihood of brittle fracture better than
(simple-beam) apparatus and the lz.od (canti,
tension tests or other tests used in material
lever-beam) apparatus. They give: (a) a descrip­
specifications. Further information on signifi­
tion of apparatus, (b) requirements for inspec.­
cance appears in the Appendix.
tion and calibration,(<) safety precamions, (d)
sampling. (e) dimensioas and preparnlion of
4. Apparatus
specimens,(/) testing procedures, (g) precision
4.1 General Requiremtrus:
and accuracy, and (h) appended notes on the
4.1.1 The testing maebine shaU
...

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