SIST EN ISO 3785:2006

SLOVENSKI STANDARD
SIST EN ISO 3785:2006
01-maj-2006
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SIST EN ISO 3785:1996
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Metallic materials - Designation of test specimen axes in relation to product texture (ISO
3785:2006)
Metallische Werkstoffe - Kennzeichnung von Probenachsen in Bezug zur
Halbzeuggefügetextur (ISO 3785:2006)
Matériaux métalliques - Désignation des axes des éprouvettes en relation avec la texture
du produit (ISO 3785:2006)
Ta slovenski standard je istoveten z: EN ISO 3785:2006
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
SIST EN ISO 3785:2006 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 3785:2006

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SIST EN ISO 3785:2006
EUROPEAN STANDARD
EN ISO 3785
NORME EUROPÉENNE
EUROPÄISCHE NORM
February 2006
ICS 77.040.10 Supersedes EN ISO 3785:1995
English Version
Metallic materials - Designation of test specimen axes in relation
to product texture (ISO 3785:2006)
Matériaux métalliques - Désignation des axes des Metallische Werkstoffe - Kennzeichnung von
éprouvettes en relation avec la texture du produit (ISO Probenachsen im Bezug zur Halbzeuggefügetextur (ISO
3785:2006) 3785:2006)
This European Standard was approved by CEN on 16 January 2006.
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, Romania,
Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2006 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 3785:2006: E
worldwide for CEN national Members.

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SIST EN ISO 3785:2006

EN ISO 3785:2006 (E)





Foreword


This document (EN ISO 3785:2006) 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 August 2006, and conflicting national
standards shall be withdrawn at the latest by August 2006.

This document supersedes EN ISO 3785:1995.

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, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.


Endorsement notice

The text of ISO 3785:2006 has been approved by CEN as EN ISO 3785:2006 without any
modifications.

2

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SIST EN ISO 3785:2006


INTERNATIONAL ISO
STANDARD 3785
Second edition
2006-02-01

Metallic materials — Designation of test
specimen axes in relation to product
texture
Matériaux métalliques — Désignation des axes des éprouvettes en
relation avec la texture du produit




Reference number
ISO 3785:2006(E)
©
ISO 2006

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SIST EN ISO 3785:2006
ISO 3785:2006(E)
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ii © ISO 2006 – All rights reserved

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SIST EN ISO 3785:2006
ISO 3785:2006(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope . 1
2 Designation system. 1
3 Designation of unnotched specimens. 1
4 Designation of notched (or precracked) specimens. 3
5 Application of designation system in material specification. 3
Annex A (informative) Influence of mechanical working on material structure and properties . 7

© ISO 2006 – All rights reserved iii

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SIST EN ISO 3785:2006
ISO 3785:2006(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 3785 was prepared by Technical Committee ISO/TC 164, Mechanical testing of metals, Subcommittee
SC 4, Toughness testing — Fracture (F), Pendulum (P), Tear (T).
This second edition cancels and replaces the first edition (ISO 3785:1976), which has been technically revised.
iv © ISO 2006 – All rights reserved

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SIST EN ISO 3785:2006
ISO 3785:2006(E)
Introduction
The measured mechanical properties of a metallic product, especially those characterizing ductility and
toughness, such as elongation, reduction of area, fracture toughness and impact resistance, are dependent
on the test specimen location within the product and orientation with respect to the product's principal
directions of metal working, grain flow or otherwise-produced texture. This International Standard specifies a
method for designating specimen orientation in relation to product texture.

© ISO 2006 – All rights reserved v

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SIST EN ISO 3785:2006

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SIST EN ISO 3785:2006
INTERNATIONAL STANDARD ISO 3785:2006(E)

Metallic materials — Designation of test specimen axes in
relation to product texture
1 Scope
This International Standard specifies a method for designating test specimen axes in relation to product
texture by means of an X-Y-Z orthogonal coordinate system.
The system applies equally to unnotched and notched (or precracked) test specimens.
The method is intended only for metallic materials with uniform texture that can be unambiguously determined.
Test specimen orientation is decided before specimen machining, identified in accordance with the
designation system specified in this International Standard, and recorded.
2 Designation system
2.1 General
The method for relating specimen axes to the characteristic directions of the product makes use of an X-Y-Z
orthogonal coordinate system for wrought metals:
⎯ the letter X always denotes the direction of principal deformation (maximum grain flow in the product);
⎯ the letter Y denotes the direction of least deformation;
⎯ the letter Z denotes the direction normal to the X-Y plane.
2.2 Exception — not aligned
When the specimen direction does not coincide with the product's characteristic grain-flow directions, two
letters are used as described for unnotched specimens in 3.2.2 and 3.2.4, and for notched specimens in 4.3.
2.3 Exception — no grain flow
When there is no grain-flow direction as in a casting,
...