SIST EN ISO 17779:2025

SLOVENSKI STANDARD
01-november-2025
Nadomešča:
SIST EN 13134:2001
Trdo spajkanje - Popis in kvalifikacija postopkov trdega spajkanja kovinskih
materialov (ISO 17779:2021)
Brazing - Specification and qualification of brazing procedures for metallic materials (ISO
17779:2021)
Hartlöten - Spezifizierung und Qualifizierung von Hartlöt-Prozessen für metallische
Werkstoffe (ISO 17779:2021)
Brasage fort - Descriptif et qualification d'un mode opératoire de brassage fort pour les
matériaux métalliques (ISO 17779:2021)
Ta slovenski standard je istoveten z: EN ISO 17779:2025
ICS:
25.160.50 Trdo in mehko lotanje Brazing and soldering
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 17779
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2025
EUROPÄISCHE NORM
ICS 25.160.01 Supersedes EN 13134:2000
English Version
Brazing - Specification and qualification of brazing
procedures for metallic materials (ISO 17779:2021)
Brasage fort - Descriptif et qualification d'un mode Hartlöten - Spezifizierung und Qualifizierung von
opératoire de brassage fort pour les matériaux Hartlöt-Prozessen für metallische Werkstoffe (ISO
métalliques (ISO 17779:2021) 17779:2021)
This European Standard was approved by CEN on 25 December 2022.

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 17779:2025 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
Annex ZA (informative) Relationship between this European Standard and the
requirements of EU Directive 2014/68/UE aimed to be covered . 4
European foreword
The text of ISO 17779:2021 has been prepared by Technical Committee CEN/TC 44 "Welding and allied
processes” of the International Organization for Standardization (ISO) and has been taken over as
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 March 2026, and conflicting national standards shall
be withdrawn at the latest by March 2026.
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 13134:2000.
This document has been prepared under a standardization request addressed to CEN by the European
Commission. The Standing Committee of the EFTA States subsequently approves these requests for its
Member States.
For the relationship with EU Legislation, see informative Annex ZA, which is an integral part of this
document.
Any feedback and questions on this document should be directed to the users’ national standards body.
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 17779:2021 has been approved by CEN as EN ISO 17779:2025 without any modification.

Annex ZA
(informative)
Relationship between this European Standard and the requirements of EU
Directive 2014/68/UE aimed to be covered
This European Standard has been prepared under a Commission’s standardization request M/601
"Mandate to CEN for standardization in the field of Pressure equipment" to provide one voluntary
means of conforming to essential requirements of Directive 2014/68/EU “Pressure equipment”.
Once this standard is cited in the Official Journal of the European Union under that Directive
2014/68/EU compliance with the normative clauses of this standard given in Table ZA.1 and
application of the edition of the normatively referenced standards as given in Table ZA.2 confers,
within the limits of the scope of this standard, a presumption of conformity with the corresponding
essential requirements of that Directive2014/68/EU, and associated EFTA regulations.
Table ZA.1 — Correspondence between this European Standard and Annex I of Directive
2014/68/EU
Essential Requirements of Clause(s)/sub-clause(s) Remarks/Notes
Directive2014/68/EU of this EN
3.1.2, paragraphs 3, 4 and 5 4, 5, 6, 7 (without Table 1- Permanent joining. For pressure
footnote a), 7.1 2nd par., 7.2, 1st resistant components of pressure
sentence, 7.3, 2nd & 3rd equipment in the categories II, III
sentences, 7.4.2, 1st sentence, and IV the examiner/examining
7.4.3, 7.4.4, 1st par. 1st sentence body is a competent third party.
and 2nd par., 7.4.5, 1st sentence,
7.6 2nd par., 2nd sentence, 8
(without 8.7, 1st sentence of the
1st and 2nd paragraphs , 8.11), 9,
WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European
Standard is maintained in the list published in the Official Journal of the European Union. Users of this
standard should consult frequently the latest list published in the Official Journal of the European
Union.
WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of
this standard.
Table ZA.2 — Normative references from Clause 2 of this document and their corresponding
European publications
Column 1 Column 2 Column 3 Column 4
Reference in International Title Corresponding
Clause 2 Standard Edition European Standard
Edition
ISO 857-2 ISO 857-2:2005 Welding and allied None
processes
For applicable standard
— Vocabulary — Part 2: edition see Column 2
Soldering and brazing
processes and
related terms
ISO 4063:2009 ISO 4063:2009 Welding and allied EN ISO 4063:2023
processes
— Nomenclature of
processes and
reference
ISO 13585 ISO 13585:2021 Brazing — Qualification EN ISO 13585:2024
testing of brazers and
brazing operators
ISO 17672 ISO 17672:2016 Brazing — Filler metals EN ISO 17672:2016
ISO 18279:2003 ISO 18279:2003 Brazing — Imperfections EN ISO 18279:2003
in brazed joints
ISO 18496 ISO 18496:2020 Brazing — Fluxes for EN ISO 18496:2021
brazing
— Classification and
technical delivery
conditions
ISO/TR 25901-1 ISO/TR 25901-1:2016 Welding and allied None
processes
For applicable standard
— Vocabulary — Part 1: edition see Column 2
General terms
EN 12797 None Brazing — Destructive tests EN 12797:2000
of brazed joints
EN 12797:2000/A1:2003
EN 12799 None Brazing — Non- EN 12799:2000
destructive examination of
EN 12799:2000/A1:2003
brazed joints
The documents listed in the Column 1 of Table ZA.2, in whole or in part, are normatively referenced in
this document, i.e. are indispensable for its application. The achievement of the presumption of
conformity is subject to the application of the edition of Standards as listed in Column 4 or, if no
European Standard Edition exists, the International Standard Edition given in Column 2 of Table ZA.2.
WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European
Standard is maintained in the list published in the Official Journal of the European Union. Users of this
standard should consult frequently the latest list published in the Official Journal of the European
Union.
WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of
this standard.
INTERNATIONAL ISO
STANDARD 17779
First edition
2021-12
Brazing — Specification and
qualification of brazing procedures for
metallic materials
Brasage fort — Descriptif et qualification d'un mode opératoire de
brassage fort pour les matériaux métalliques
Reference number
ISO 17779:2021(E)
ISO 17779:2021(E)
© ISO 2021
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 17779:2021(E)
Contents  Page
Foreword .iv
Introduction .v
1  Scope . 1
2  Normative references . 1
3  Terms and definitions . 2
4  Preliminary brazing procedure specification (pBPS) . 3
5  Brazing procedure test . 3
6  Test piece . 3
6.1 General . 3
6.2 Shape and dimensions of test pieces . 3
6.3 Brazing of test pieces . 4
7  Examination and testing . 4
7.1 Extent of testing . 4
7.2 Test specimens. 5
7.3 Non-destructive testing . 5
7.4 Destructive testing . 5
7.4.1 General . 5
7.4.2 Bend testing .
...