EN ISO 18265:2013
(Main)Metallic materials - Conversion of hardness values (ISO 18265:2013)
Metallic materials - Conversion of hardness values (ISO 18265:2013)
ISO 18265:2013 specifies the principles of the conversion of hardness values to equivalent values in other hardness scales and to estimates of tensile strength. It gives general information on the use of the conversion tables.
The conversion tables in Annexes A to G apply to unalloyed and low alloy steels and cast steel, steels for quenching and tempering, steels for cold working, high speed steels, tool steels, hardmetals, and non-ferrous metals and alloys.
Annex H gives information about the effects of changes of the test procedure in the standards specifying the hardness tests.
Converted values obtained using ISO 18265:2013 are only directly applicable to the exact material tested. For all other materials, they provide an indicator only. In all cases, the converted values are not intended as replacements for values obtained by the correct standard method. In particular, tensile strength estimates are the least reliable converted values in ISO 18265:2013.
Metallische Werkstoffe - Umwertung von Härtewerten (ISO 18265:2013)
Diese Internationale Norm legt die Grundlagen zur Umwertung von Härtewerten in äquivalente Werte anderer Härteskalen und in Näherungswerte für die Zugfestigkeit fest. Sie gibt allgemeine Informationen zur Anwendung von Umwertungstabellen.
Die in den Anhängen A bis G dieser Norm enthaltenen Umwertungstabellen gelten für
- unlegierte und niedriglegierte Stähle und Stahlguss,
- Vergütungsstähle,
- Kaltarbeitsstähle,
- Schnellarbeitsstähle,
- Werkzeugstähle,
- Hartmetalle sowie
- Nichteisenmetalle und legierungen.
ANMERKUNG 1 Die Umwertungstabellen in den Anhängen B bis G dieser Norm basieren auf experimentellen Ergebnissen, die mittels Regressionsanalyse ausgewertet wurden. Für die Umwertungstabelle im Anhang A dieser Norm lagen für diese Auswertung nicht genügend Messergebnisse vor.
ANMERKUNG 2 Anhang H gibt Informationen über die Auswirkungen von Änderungen im Prüfverfahren, das in den entsprechenden Normen festgelegt ist.
Eine direkte Anwendung der Werte, die durch eine Härteumwertung nach dieser Internationalen Norm ermittelt wurden, ist nur auf genau gleiche Werkstoffe möglich. Für alle anderen Werkstoffe dienen diese Werte lediglich als allgemeiner Indikator. In allen Fällen sind die Ergebnisse der Umwertung nicht als Ersatz für die nach den zutreffenden genormten Verfahren ermittelten Werte vorgesehen. Am wenigsten zuverlässig sind die nach dieser Internationalen Norm abgeschätzten Zugfestigkeitswerte.
Abschnitte dieser Internationalen Norm sind mit der Genehmigung von ASTM nachgedruckt, und stammen aus ASTM E140 Standard Hardness Conversion Tables for Metals Relationship among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Harness, Knoop Hardness, and Scleroscope Hardness.
Matériaux métalliques - Conversion des valeurs de dureté (ISO 18265:2013, Version corrigée 2014-04-01)
L'ISO 18265:2013 spécifie les principes de conversion des valeurs de dureté en des valeurs équivalentes dans d'autres échelles de dureté et en des estimations de la résistance à la traction. Elle donne des informations générales sur l'utilisation des tables de conversion.
Les tables de conversion des Annexes A à G s'appliquent à des aciers non alliés et faiblement alliés et aciers moulés, aciers pour trempe et revenu, aciers pour formage à froid, aciers rapides, aciers à outils, métaux durs, et métaux et alliages non ferreux.
Les valeurs converties obtenues au moyen de l'ISO 18265:2013 ne sont directement applicables qu'au matériau exact soumis aux essais. Pour tous les autres matériaux, elles fournissent seulement un indicateur. Dans tous les cas, les valeurs converties ne sont pas destinées à remplacer les valeurs obtenues par la méthode normalisée correcte. En particulier, les estimations pour la résistance à la traction sont les valeurs converties les moins fiables de l'ISO 18265:2013.
Kovinski materiali - Pretvorbe vrednosti trdote (ISO 18265:2013)
Ta mednarodni standard določa načela za pretvorbe vrednosti trdote v primerljive vrednosti drugih lestvic trdote in približkov natezne trdnosti. Podaja splošne informacije o uporabi tabel s pretvorbami. Tabele s pretvorbami v dodatkih A–G veljajo za – nelegirana in malolegirana jekla ter jeklene litine; jekla za kaljenje in popuščenje; – jekla za hladno preoblikovanje; – visoko hitrostna jekla; – jekla za orodje; – trde kovine; in – železne in neželezne kovine in zlitine. Vrednosti, pretvorjene s tem mednarodnim standardom, se uporabljajo le neposredno za material za testiranje. Za vse ostale materiale so zgolj smernice. Pretvorjene vrednosti v nobenem primeru niso zamenjava za vrednosti, pridobljene s pravo metodo standarda. Ocene natezne trdnosti so najmanj zanesljive pretvorjene vrednosti v tem mednarodnem standardu.
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
01-junij-2014
1DGRPHãþD
SIST EN ISO 18265:2004
Kovinski materiali - Pretvorbe vrednosti trdote (ISO 18265:2013)
Metallic materials - Conversion of hardness values (ISO 18265:2013)
Metallische Werkstoffe - Umwertung von Härtewerten (ISO 18265:2013)
Matériaux métalliques - Conversion des valeurs de dureté (ISO 18265:2013)
Ta slovenski standard je istoveten z: EN ISO 18265:2013
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD
EN ISO 18265
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2013
ICS 77.040.10 Supersedes EN ISO 18265:2003
English Version
Metallic materials - Conversion of hardness values (ISO
18265:2013)
Matériaux métalliques - Conversion des valeurs de dureté Metallische Werkstoffe - Umwertung von Härtewerten (ISO
(ISO 18265:2013) 18265:2013)
This European Standard was approved by CEN on 3 August 2013.
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 alteration. 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 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,
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 and United
Kingdom.
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© 2013 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 18265:2013: E
worldwide for CEN national Members.
Contents Page
Foreword .3
Foreword
This document (EN ISO 18265:2013) 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 of a national standard, either by publication of an identical
text or by endorsement, at the latest by April 2014, and conflicting national standards shall be withdrawn at the
latest by April 2014.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN ISO 18265:2003.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European 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, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 18265:2013 has been approved by CEN as EN ISO 18265:2013 without any modification.
INTERNATIONAL ISO
STANDARD 18265
Second edition
2013-10-01
Metallic materials — Conversion of
hardness values
Matériaux métalliques — Conversion des valeurs de dureté
Reference number
ISO 18265:2013(E)
©
ISO 2013
ISO 18265:2013(E)
© ISO 2013
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form
or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior
written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of
the requester.
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ii © ISO 2013 – All rights reserved
ISO 18265:2013(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Principles of conversion . 1
3 Application of conversion tables . 4
3.1 General . 4
3.2 Converting values . 7
3.3 Designation of conversion results . 9
3.4 Notes on use of conversion tables .10
Annex A (informative) Conversion table for unalloyed, low alloy steels and cast steel .12
Annex B (informative) Conversion tables for steels for quenching and tempering .17
Annex C (informative) Conversion tables for steels for cold working .37
Annex D (informative) Conversion tables for high speed steels .48
Annex E (informative) Conversion tables for hardmetals .61
Annex F (informative) Conversion tables for non-ferrous metals and alloys .65
Annex G (informative) Conversion tables for tool steels .76
Annex H (informative) Remarks on the effect of the changed test conditions .80
Bibliography .84
ISO 18265:2013(E)
Foreword
ISO (the International Organization for Standardization) is 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 represented 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 this 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 Directives, Part 2. 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 development of the document will be in the Introduction and/or
on the ISO list of patent declarations received. 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 ISO specific terms and expressions related to conformity
assessment, as well as information about ISO’s adherence to the WTO principles in the Technical Barriers
to Trade (TBT), see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 164, Mechanical testing of metals, Subcommittee
SC 3, Hardness testing.
This second edition cancels and replaces the first edition (ISO 18265:2003) which has been
technically revised.
iv © ISO 2013 – All rights reserved
ISO 18265:2013(E)
Introduction
The hardness conversion values given in Table A.1 were obtained in interlaboratory tests by the Verein
Deutscher Eisenhüttenleute (VDEh) (German Iron and Steel Institute) using verified and calibrated
hardness testing machines. Statistically reliable information cannot be given on the uncertainty of these
values because the test conditions were not reproducible, and the number of results used to calculate
the mean hardness values is not known. The conversion values in this table are in accordance with the
information presented in IC No. 3 (1980) and IC No. 4 (1982) of the European Coal and Steel Community,
as well as in ISO 4964:1984 and ISO/TR 10108:1989.
Annexes C, D and E contain – in a revised format – the extensive results on the conversion of hardness
values presented in TGL 43212/02 to 43212/04, standards published by the former East German
standards body, the Amt für Standardisierung, Meßwesen und Warenprüfung (ASMW). The values
presented in Annex B had also been determined by the ASMW, but were published in a report of the
[1]
Physikalisch-Technische Bundesanstalt (PTB), the German national institute for science and technology,
not in a TGL standard.
The converted hardness values in the above-mentioned TGL standards were obtained in statistically
reliable hardness and tensile tests. The hardness tests were performed using ASMW normal testing
machines on plane-parallel, polished specimens of various materials in different heat treatment
conditions. Tensile strength was tested on machines whose force measuring and extension measuring
systems had been calibrated immediately before testing. The tensile test method used is equivalent to
that specified in ISO 6892-1, and the calibration procedures conform with those specified in ISO 7500-1
and ISO 9513.
Annex G contains the results on the conversion of hardness values of two tool steels with the assistance
of the Verein Deutscher Eisenhüttenleute (VDEh) which were obtained in the year 2007.
Users of this International Standard should take note of Clause 2, especially the concluding warning.
INTERNATIONAL STANDARD ISO 18265:2013(E)
Metallic materials — Conversion of hardness values
1 Scope
This International Standard specifies the principles of the conversion of hardness values to equivalent
values in other hardness scales and to estimates of tensile strength. It gives general information on the
use of the conversion tables.
The conversion tables in Annexes A to G apply to
— unalloyed and low alloy steels and cast steel,
— steels for quenching and tempering,
— steels for cold working,
— high speed steels,
— tool steels,
— hardmetals, and
— non-ferrous metals and alloys.
NOTE 1 The conversion tables in Annexes B to G are based on empirical results which were evaluated by
means of regression analysis. Such analysis was not possible in the case of the values given in Annex A because a
sufficient number of results was not available.
NOTE 2 Annex H gives information about the effects of changes of the test procedure in the standards specifying
the hardness tests.
Converted values obtained using this International Standard are only directly applicable to the exact
material tested. For all other materials, they provide an indicator only. In all cases, the converted values
are not intended as replacements for values obtained by the correct standard method. In particular,
tensile strength estimates are the least relia
...
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