SIST EN ISO 15630-3:2025

SLOVENSKI STANDARD
01-oktober-2025
Jeklo za armiranje in prednapenjanje betona - Metode preskušanja - 3. del: Jeklo
za prednapenjanje (ISO 15630-3:2025)
Steel for the reinforcement and prestressing of concrete - Test methods - Part 3:
Prestressing steel (ISO 15630-3:2025)
Stahl für die Bewehrung und das Vorspannen von Beton - Prüfverfahren - Teil 3:
Spannstahl (ISO 15630-3:2025)
Aciers pour l'armature et la précontrainte du béton - Méthodes d'essai - Partie 3: Aciers
de précontrainte (ISO 15630-3:2025)
Ta slovenski standard je istoveten z: EN ISO 15630-3:2025
ICS:
77.140.15 Jekla za armiranje betona Steels for reinforcement of
concrete
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 15630-3
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2025
EUROPÄISCHE NORM
ICS 77.140.15 Supersedes EN ISO 15630-3:2019
English Version
Steel for the reinforcement and prestressing of concrete -
Test methods - Part 3: Prestressing steel (ISO 15630-
3:2025)
Aciers pour l'armature et la précontrainte du béton - Stahl für die Bewehrung und das Vorspannen von
Méthodes d'essai - Partie 3: Aciers de précontrainte Beton - Prüfverfahren - Teil 3: Spannstahl (ISO 15630-
(ISO 15630-3:2025) 3:2025)
This European Standard was approved by CEN on 29 May 2025.

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, Türkiye 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
© 2025 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15630-3:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 15630-3:2025) has been prepared by Technical Committee ISO/TC 17 "Steel" in
collaboration with Technical Committee CEN/TC 459/SC 4 “Concrete reinforcing and prestressing
steels” the secretariat of which is held by DIN.
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 December 2025, and conflicting national standards
shall be withdrawn at the latest by December 2025.
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 15630-3:2019.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 15630-3:2025 has been approved by CEN as EN ISO 15630-3:2025 without any
modification.
International
Standard
ISO 15630-3
Fourth edition
Steel for the reinforcement and
2025-06
prestressing of concrete — Test
methods —
Part 3:
Prestressing steel
Aciers pour l'armature et la précontrainte du béton — Méthodes
d'essai —
Partie 3: Aciers de précontrainte
Reference number
ISO 15630-3:2025(en) © ISO 2025

ISO 15630-3:2025(en)
© ISO 2025
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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Published in Switzerland
ii
ISO 15630-3:2025(en)
Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 1
3 Terms, definitions and symbols . 1
3.1 Terms and definitions .1
3.2 Symbols .2
4 General provisions concerning test pieces . 3
5 Tensile test . 4
5.1 Test piece .4
5.2 Test equipment .4
5.3 Test procedure .4
5.3.1 General .4
5.3.2 Determination of the modulus of elasticity .5
6 Bend test . 6
6.1 Test piece .6
6.2 Test equipment .6
6.3 Test procedure .6
6.4 Interpretation of test results .6
7 Reverse bend test . 7
7.1 Test piece .7
7.2 Test equipment .7
7.3 Test procedure .8
8 Wrapping test . 8
8.1 Test piece .8
8.2 Test equipment .8
8.3 Test procedure .8
9 Isothermal stress relaxation test . . 8
9.1 Principle of test .8
9.2 Test piece .9
9.3 Test equipment .9
9.3.1 Frame .9
9.3.2 Force-measuring device . .9
9.3.3 Length-measuring device (extensometer) .10
9.3.4 Anchoring device.10
9.3.5 Loading device . . .10
9.4 Test procedure .10
9.4.1 Provisions concerning the test piece .10
9.4.2 Application of force .10
9.4.3 Initial force .11
9.4.4 Force during the test .
...