SIST EN ISO 6506-3:2006
(Main)Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO 6506-3:2005)
Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO 6506-3:2005)
This part of EN ISO 6506 specifies a method for the calibration of reference blocks which are intended for use in the indirect verification of Brinell hardness testing machines as described in ISO 6506-2.
Metallische Werkstoffe - Härteprüfung nach Brinell - Teil 3: Kalibrierung von Härtevergleichsplatten (ISO 6506-3:2005)
In diesem Teil von ISO 6506 ist das Verfahren für die Kalibrierung von Härtevergleichsplatten, die bei der indirekten Prüfung von Härteprüfmaschinen nach Brinell nach ISO 6506-2 verwendet werden, festgelegt.
Matériaux métalliques - Essai de dureté Brinell - Partie 3: Etalonnage des blocs de référence (ISO 6506-3:2005)
L'ISO 6506-3:2005 spécifie une méthode pour l'étalonnage des blocs de référence à utiliser pour la vérification indirecte des machines d'essai de dureté Brinell, comme décrit dans l'ISO 6506-2.
Kovinski materiali – Preskus trdote po Brinellu – 3. del: Umerjanje primerjalnih ploščic (ISO 6506-3:2005)
General Information
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Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN ISO 6506-3:2006
01-marec-2006
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SIST EN ISO 6506-3:2001
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Metallic materials - Brinell hardness test - Part 3: Calibration of reference blocks (ISO
6506-3:2005)
Metallische Werkstoffe - Härteprüfung nach Brinell - Teil 3: Kalibrierung von
Härtevergleichsplatten (ISO 6506-3:2005)
Matériaux métalliques - Essai de dureté Brinell - Partie 3: Etalonnage des blocs de
référence (ISO 6506-3:2005)
Ta slovenski standard je istoveten z: EN ISO 6506-3:2005
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
SIST EN ISO 6506-3:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN STANDARD
EN ISO 6506-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2005
ICS 77.040.10 Supersedes EN ISO 6506-3:1999
English Version
Metallic materials - Brinell hardness test - Part 3: Calibration of
reference blocks (ISO 6506-3:2005)
Matériaux métalliques - Essai de dureté Brinell - Partie 3: Metallische Werkstoffe - Härteprüfung nach Brinell - Teil 3:
Etalonnage des blocs de référence (ISO 6506-3:2005) Kalibrierung von Härtevergleichsplatten (ISO 6506-3:2005)
This European Standard was approved by CEN on 14 December 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 6506-3:2005: E
worldwide for CEN national Members.
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EN ISO 6506-3:2005 (E)
Foreword
This document (EN ISO 6506-3:2005) has been prepared by Technical Committee ISO/TC 164
"Mechanical testing of metals" in collaboration with Technical Committee ECISS/TC 1 "Steel -
Mechanical testing", 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 June 2006, and conflicting national
standards shall be withdrawn at the latest by June 2006.
This document supersedes EN ISO 6506-3:1999.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of
the following countries are bound to implement this European Standard: Austria, Belgium,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary,
Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
Endorsement notice
The text of ISO 6506-3:2005 has been approved by CEN as EN ISO 6506-3:2005 without any
modifications.
2
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INTERNATIONAL ISO
STANDARD 6506-3
Second edition
2005-12-15
Metallic materials — Brinell hardness
test —
Part 3:
Calibration of reference blocks
Matériaux métalliques — Essai de dureté Brinell —
Partie 3: Étalonnage des blocs de référence
Reference number
ISO 6506-3:2005(E)
©
ISO 2005
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ISO 6506-3:2005(E)
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ii © ISO 2005 – All rights reserved
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ISO 6506-3:2005(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope.1
2 Normative references.1
3 Manufacture of reference blocks .1
4 Calibration machine .2
5 Calibration procedure .3
6 Number of indentations .3
7 Uniformity of hardness .4
8 Marking.4
9 Validity.5
Annex A (informative) Uncertainty of measurement of hardness reference blocks .6
Bibliography .9
© ISO 2005 – All rights reserved iii
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ISO 6506-3:2005(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.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
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.
ISO 6506-3 was prepared by Technical Committee ISO/TC 164, Mechanical testing of metals, Subcommittee
SC 3, Hardness testing.
This second edition cancels and replaces the first edition (ISO 6506-3:1999) which has been technically
revised.
ISO 6506 consists of the following parts, under the general title Metallic materials — Brinell hardness test:
⎯ Part 1: Test method
⎯ Part 2: Verification and calibration of testing machines
⎯ Part 3: Calibration of reference blocks
⎯ Part 4: Table of hardness values
iv © ISO 2005 – All rights reserved
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ISO 6506-3:2005(E)
Introduction
Attention is drawn to the fact that in this part of ISO 6506, only the use of the hardmetal ball indenter is
specified.
The designation of the Brinell hardness is HBW and should not be confused with the former designation HB,
or HBS when a steel ball indenter was used.
© ISO 2005 – All rights reserved v
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INTERNATIONAL STANDARD ISO 6506-3:2005(E)
Metallic materials — Brinell hardness test —
Part 3:
Calibration of reference blocks
1 Scope
This part of ISO 6506 specifies a method for the calibration of reference blocks to be used in the indirect
verification of Brinell hardness testing machines as described in ISO 6506-2.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
ISO 376:2004, Metallic materials — Calibration of force-proving instruments used for verification of uniaxial
testing machines
ISO 4287, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions
and surface texture parameters
ISO 6506-1:2005, Metallic materials — Brinell hardness test — Part 1: Test method
ISO 6506-2:2005, Metallic materials — Brinell hardness test — Part 2: Verification and calibration of testing
machines
3 Manufacture of reference blocks
3.1 The block shall be specially manufactured for use as a hardness-reference block.
NOTE Attention is drawn to the need to use a manufacturing process which will give the necessary homogeneity,
stability of structure and uniformity of surface hardness.
3.2 Each metal block to be calibrated shall be of a thickness not less than:
⎯ 16 mm for 10 mm balls;
⎯ 12 mm for 5 mm balls;
⎯ 6 mm for smaller balls.
NOTE 12 mm for 10 mm balls may be used only if the hardness of the reference block is greater than 150 HBW.
3.3 The reference blocks shall be free of magnetism. It is recommended that the manufacturer shall ensure
that the blocks, if of st
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