Metallic materials - Determination of forming-limit curves for sheet and strip - Part 1: Measurement and application of forming-limit diagrams in the press shop (ISO 12004-1:2020)

This document specifies a procedure for developing forming-limit diagrams and forming-limit curves
for metal sheets and strips of thicknesses from 0,3 mm to 4 mm.

Metallische Werkstoffe - Bestimmung der Grenzformänderungskurven für Bleche und Bänder - Teil 1: Messung und Anwendung von Grenzformänderungsdiagrammen in Presswerken (ISO 12004 1:2020)

Dieses Dokument legt ein Verfahren für die Erstellung von Grenzformänderungsdiagrammen und Grenzformänderungskurven für Metallbleche und  bänder mit Dicken von 0,3 mm bis 4 mm fest.

Matériaux métalliques - Détermination des courbes limites de formage pour les tôles et bandes - Partie 1: Mesurage et application des diagrammes limites de formage dans les ateliers d'emboutissage (ISO 12004-1:2020)

Kovinski materialii - Določevanje krivulj preoblikovalnosti za pločevino in trakove - 1. del: Merjenje in uporaba diagramov preoblikovalnosti na stiskalnicah (ISO 12004-1:2020)

General Information

Status
Published
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
04-Nov-2020
Completion Date
04-Nov-2020

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SLOVENSKI STANDARD
SIST EN ISO 12004-1:2021
01-marec-2021
Nadomešča:
SIST EN ISO 12004-1:2009

Kovinski materialii - Določevanje krivulj preoblikovalnosti za pločevino in trakove -

1. del: Merjenje in uporaba diagramov preoblikovalnosti na stiskalnicah (ISO 12004

-1:2020)

Metallic materials - Determination of forming-limit curves for sheet and strip - Part 1:

Measurement and application of forming-limit diagrams in the press shop (ISO 12004-

1:2020)
Metallische Werkstoffe - Bestimmung der Grenzformänderungskurven für Bleche und
Bänder - Teil 1: Messung und Anwendung von Grenzformänderungsdiagrammen in
Stanzereien (ISO 12004-1:2020)

Matériaux métalliques - Détermination des courbes limites de formage pour les tôles et

bandes - Partie 1: Mesurage et application des diagrammes limites de formage dans les

ateliers d'emboutissage (ISO 12004-1:2020)
Ta slovenski standard je istoveten z: EN ISO 12004-1:2020
ICS:
77.040.10 Mehansko preskušanje kovin Mechanical testing of metals
77.140.50 Ploščati jekleni izdelki in Flat steel products and semi-
polizdelki products
SIST EN ISO 12004-1:2021 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 12004-1:2021
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SIST EN ISO 12004-1:2021
EN ISO 12004-1
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2020
EUROPÄISCHE NORM
ICS 77.040.10 Supersedes EN ISO 12004-1:2008
English Version
Metallic materials - Determination of forming-limit curves
for sheet and strip - Part 1: Measurement and application
of forming-limit diagrams in the press shop (ISO 12004-
1:2020)

Matériaux métalliques - Détermination des courbes Metallische Werkstoffe - Bestimmung der

limites de formage pour les tôles et bandes - Partie 1: Grenzformänderungskurven für Bleche und Bänder -

Mesurage et application des diagrammes limites de Teil 1: Messung und Anwendung von

formage dans les ateliers d'emboutissage (ISO 12004- Grenzformänderungsdiagrammen in Stanzereien (ISO

1:2020) 12004-1:2020)
This European Standard was approved by CEN on 15 October 2020.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12004-1:2020 E

worldwide for CEN national Members.
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SIST EN ISO 12004-1:2021
EN ISO 12004-1:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 12004-1:2021
EN ISO 12004-1:2020 (E)
European foreword

This document (EN ISO 12004-1:2020) has been prepared by Technical Committee ISO/TC 164

"Mechanical testing of metals" in collaboration with Technical Committee CEN/TC 459/SC 1 “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 May 2021, and conflicting national standards shall be

withdrawn at the latest by May 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 12004-1:2008.

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, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 12004-1:2020 has been approved by CEN as EN ISO 12004-1:2020 without any

modification.
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SIST EN ISO 12004-1:2021
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SIST EN ISO 12004-1:2021
INTERNATIONAL ISO
STANDARD 12004-1
Second edition
2020-10
Metallic materials — Determination
of forming-limit curves for sheet and
strip —
Part 1:
Measurement and application of
forming-limit diagrams in the press
shop
Matériaux métalliques — Détermination des courbes limites de
formage pour les tôles et bandes —
Partie 1: Mesurage et application des diagrammes limites de formage
dans les ateliers d'emboutissage
Reference number
ISO 12004-1:2020(E)
ISO 2020
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SIST EN ISO 12004-1:2021
ISO 12004-1:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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SIST EN ISO 12004-1:2021
ISO 12004-1:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

Introduction ..................................................................................................................................................................................................................................v

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 1

4 Symbols and abbreviated terms ........................................................................................................................................................... 1

5 Principle ........................................................................................................................................................................................................................ 1

6 Test conditions ....................................................................................................................................................................................................... 2

7 Procedure..................................................................................................................................................................................................................... 3

8 Interpretation of results ............................................................................................................................................................................... 3

9 Test report ................................................................................................................................................................................................................... 4

Annex A (informative) Modification to forming-limit curves ..................................................................................................... 5

Annex B (informative) Examples of grid patterns currently in use ...................................................................................... 6

Bibliography ................................................................................................................................................................................................................................ 8

© ISO 2020 – All rights reserved iii
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SIST EN ISO 12004-1:2021
ISO 12004-1:2020(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 (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 development 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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

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