1、May 2017 English price group 16No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 77.040.10!%d-“2659410www.din.deDIN E
2、N ISO 148-1Metallic materials Charpy pendulum impact test Part 1: Test method (ISO 1481:2016);English version EN ISO 1481:2016,English translation of DIN EN ISO 148-1:2017-05Metallische Werkstoffe Kerbschlagbiegeversuch nach Charpy Teil 1: Prfverfahren (ISO 1481:2016);Englische Fassung EN ISO 1481:2
3、016,Englische bersetzung von DIN EN ISO 148-1:2017-05Matriaux mtalliques Essai de flexion par choc sur prouvette Charpy Partie 1: Mthode dessai (ISO 1481:2016);Version anglaise EN ISO 1481:2016,Traduction anglaise de DIN EN ISO 148-1:2017-05SupersedesDIN EN ISO 1481:201101www.beuth.deDocument compri
4、ses 39 pagesDTranslation by DIN-Sprachendienst.In case of doubt, the German-language original shall be considered authoritative.05.17 DIN EN ISO 148-1:2017-05 2 A comma is used as the decimal marker. National foreword This document (EN ISO 148-1:2016) has been prepared by Technical Committee ISO/TC
5、164 “Mechanical testing of metals”, Subcommittee SC 4 “Toughness testing Fracture (F), Pendulum (P), Tear (T)” in collaboration with Technical Committee ECISS/TC 101 “Test methods for steel (other than chemical analysis)” (Secretariat: AFNOR, France). The responsible German body involved in its prep
6、aration was DIN-Normenausschuss Materialprfung (DIN Standards Committee Materials Testing), Working Committee NA 062-01-44 AA “Impact testing of metals”. Users of this standard should take note of the following: If it is not possible to obtain standard test pieces from the material, the specificatio
7、ns of the relevant product standard shall be taken into consideration. The position of the test piece and notch should definitely be stated in the test report. The assembly for determining lateral expansion shown in Figure B.3 is an example, i.e. other dimensions may be used. On the basis of the lon
8、g-term experience of pendulum impact testing machines in Germany, NA 062-01-44 AA recommends that not only an indirect verification be carried out, but also a complete direct verification (as opposed to the reduced direct verification specified) at intervals of one year so that a high level of truen
9、ess of the energy values can be achieved, thus ensuring the continuing reproducibility of energy results obtained for different machines using the same method under the same test conditions. According to DIN EN ISO 148-1, the Charpy pendulum impact test can now be carried out with a 2 mm or an 8 mm
10、striker. The striker used is to be documented in the results. It should be noted that the results of Charpy pendulum impact tests can vary significantly depending on the striker used. Numerous findings are available quantifying the differences among results of tests used with different strikers, but
11、 these findings are not applicable to all materials and are not uniform for the upper-shelf zone, transition zone, and lower-shelf zones of the absorbed energy/temperature curve. Normally, when product standards and quality criteria give guaranteed values, they only make general reference to values
12、determined according to a specific testing standard, but they do not differentiate between values obtained with different strikers. Therefore, it is highly recommended that users of the present standard review the relevant documentation beforehand as regards this matter, and that they come to agreem
13、ent with the customer or client regarding the striker to be used, so that misunderstandings and excessive margins for interpretation are avoided. The value given in Table E.1 is corrected according to Equation (E.1). The German term Schlagenergie used throughout the DIN EN ISO 148 series is equivale
14、nt to the previously used German term Schlagarbeit. DIN EN ISO 148-1:2017-05 3 In addition to the legal units of measurement, this standard also uses the unit “inch”. It is important to note that according to the German law on units in metrology, the use of these units is not permitted in official o
15、r business communications within Germany. Conversion: Unit not permitted Unit permitted Conversion in (inch) mm 1 inch = 25,4 mm The DIN Standards corresponding to the International Standards referred to in this document are as follows: ISO 148-2 DIN EN ISO 148-2 ISO 148-3 DIN EN ISO 148-3 ISO 286-1
16、 DIN EN ISO 286-1 ISO 3785 DIN EN ISO 3785 ISO 14556 DIN EN ISO 14556 Amendments This standard differs from DIN EN ISO 148-1:2011-01 as follows: a) the German translations of the terms “thickness” and “width” have been unified with standards from the field of fracture mechanics to read “Dicke” and “
17、Breite”. b) 8.2 “Friction measurement” has been included; formerly, it had only been defined in part two of the standard series; c) the information has been added that other methods for heating or cooling are allowed if the other pertinent requirements of 8.3 are fulfilled; d) 8.4 “Specimen transfer
18、” has been extended; e) 8.6 “Incomplete fracture” has been revised; f) in Clause 9, the requirements for the test report have been adapted; g) the determination regarding the transition temperature (Clause 4 and D.2) has been adapted; h) the standard has been editorially revised. Previous editions D
19、IN DVM A 115 = DIN 50115: 1937-09 DIN 50115: 1952x-05, 1966-11, 1975-02, 1991-04 DIN EN 10045-1: 1991-04 DIN EN ISO 148-1: 2011-01 DIN EN ISO 148-1:2017-05 4 National Annex NA (informative) Examples of designations The International Standard does not specify a designation system that indicates the t
20、est piece width or nominal energy of the testing machine. Below a suitable designation system is recommended. Test machines having different nominal energies may be used for testing as in this standard. If a test machine having a nominal energy other than (300 10) J is used, the symbols KV2or KV8and
21、 KU2or KU8should be supplemented by additional information indicating the nominal energy of the test machine used. Furthermore, if reduced-section test pieces with a V-notch are used instead of the standard test piece, the relevant symbol should be supplemented by information indicating the test pie
22、ce width. EXAMPLE 1 KU2 150/7,5 = 73 J energy absorbed at fracture 73 J test piece width 7,5 mm test machine nominal energy 150 J striker radius 2 mm V-notch test piece EXAMPLE 2 KU8 300/7,5 = 173 J energy absorbed at fracture 173 J test piece width 7,5 mm test machine nominal energy 300 J striker r
23、adius 8 mm U-notch test piece DIN EN ISO 148-1:2017-05 5 National Annex NB (informative) Bibliography DIN EN ISO 148-2, Metallic materials Charpy pendulum impact test Part 2: Verification of testing machines DIN EN ISO 148-3, Metallic materials Charpy pendulum impact test Part 3: Preparation and cha
24、racterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines DIN EN ISO 286-1, Geometrical product specifications (GPS) ISO code system for tolerances on linear sizes Part 1: Basis of tolerances, deviations and fits DIN EN ISO 3785, Metallic materials Designation
25、 of test specimen axes in relation to product texture DIN EN ISO 14556, Metallic materials Charpy V-notch pendulum impact test Instrumented test method DIN EN ISO 148-1:2017-05 6 This page is intentionally blank EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 148-1 November 2016 ICS 77.040.
26、10 Supersedes EN ISO 148-1:2010English Version Metallic materials - Charpy pendulum impact test - Part 1: Test method (ISO 148-1:2016) Matriaux mtalliques - Essai de flexion par choc sur prouvette Charpy - Partie 1: Mthode dessai (ISO 148-1:2016) Metallische Werkstoffe - Kerbschlagbiegeversuch nach
27、Charpy - Teil 1: Prfverfahren (ISO 148-1:2016) This European Standard was approved by CEN on 20 August 2016. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any altera
28、tion. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made
29、by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia
30、, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey andUnited Kingdom. EUROPEAN COMMITTEE FOR STANDARD
31、IZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 148-1:2016 EEuropean foreword .31 Scope
32、 . 52 Normative references 53 Terms and definitions . 53.1 Definitions pertaining to energy 53.2 Definitions pertaining to test piece . 64 Symbols and abbreviated terms . 65 Principles of the test . 76 Test pieces . 76.1 General . 76.2 Notch geometry 86.2.1 V-notch 86.2.2 U-notch . 86.3 Tolerance of
33、 the test pieces 86.4 Preparation of the test pieces. 86.5 Marking of the test pieces 87 Test equipment. 87.1 General . 87.2 Installation and verification 97.3 Striker . 98 Test procedure 98.1 General . 98.2 Friction measurement 98.3 Test temperature 108.4 Specimen transfer . 118.5 Exceeding machine
34、 capacity 118.6 Incomplete fracture . 118.7 Test piece jamming . 128.8 Post-fracture inspection. 129 Test report 129.1 Mandatory information 129.2 Optional information 12Annex A (informative) Self-centring tongs 16Annex B (informative) Lateral expansion.17Annex C (informative) Fracture appearance .2
35、0Annex D (informative) Absorbed energy vs. temperature curve and the transition temperature .23Annex E (informative) Measurement uncertainty of an absorbed energy value, K 25Bibliography .33Contents PageDIN EN ISO 148-1:2017-05 EN ISO 148-1:2016 (E) 2Foreword .4European foreword This document (EN IS
36、O 148-1:2016) has been prepared by Technical Committee ISO/TC 164 “Mechanical testing of metals” in collaboration with Technical Committee ECISS/TC 101 “Test methods for steel (other than chemical analysis)” the secretariat of which is held by AFNOR. This European Standard shall be given the status
37、of a national standard, either by publication of an identical text or by endorsement, at the latest by May 2017, and conflicting national standards shall be withdrawn at the latest by May 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of pat
38、ent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersedes EN ISO 148-1:2010. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this Europ
39、ean Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slov
40、enia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. Endorsement notice The text of ISO 148-1:2016 has been approved by CEN as EN ISO 148-1:2016 without any modification. DIN EN ISO 148-1:2017-05 EN ISO 148-1:2016 (E) 3 ForewordISO (the International Organization for Standardization) is
41、a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represent
42、ed on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop t
43、his document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC
44、Directives, Part 2 (see www.iso.org/directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the de
45、velopment of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of IS
46、O specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www.iso.org/iso/foreword.html.The committee responsible for this document is
47、 ISO/TC 164, Mechanical testing of metals, Subcommittee SC 4, Toughness testing Fracture (F), Pendulum (P), Tear (T) .This third edition cancels and replaces the second edition (ISO 148-1:2009), which has been technically revised.ISO 148 consists of the following parts, under the general title Metal
48、lic materials Charpy pendulum impact test: Part 1: Test method Part 2: Verification of testing machines Part 3: Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machinesDIN EN ISO 148-1:2017-05 EN ISO 148-1:2016 (E) 4 1 ScopeThis part of ISO 148 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
