EN ISO 148-1:2016

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Principles of the test
6 Test pieces
7 Test equipment
8 Test procedure
9 Test report
Annex A (informative) - Self-centring tongs
Annex B (informative) - Lateral expansion
Annex C (informative) - Fracture appearance
Annex D (informative) - Absorbed energy vs. temperature
        curve and the transition temperature
Annex E (informative) - Measurement uncertainty of an
        absorbed energy value, K
Bibliography

ISO 148-1:2016 specifies the Charpy (V-notch and U-notch) pendulum impact test method for determining the energy absorbed in an impact test of metallic materials. This part of ISO 148 does not cover instrumented impact testing, which is specified in ISO 14556.Annexes B and C are based on ASTM E23 and are used with the permission of ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, USA.