Railway applications - Welding of railway vehicles and components - Part 6: Maintenance welding requirements

This series of standards applies to welding of metallic materials in the manufacture and maintenance of railway vehicles and their components.
This part of the series defines the classification levels as well as the requirements for manufacturers of welded railway vehicles and components.

Bahnanwendungen - Schweißen von Schienenfahrzeugen und -fahrzeugteilen - Teil 6: Anforderungen für die schweißtechnische Instandsetzung

Dieses Dokument legt die Qualitätsanforderungen sowie die Gestaltungs- und Herstellungsanforderungen für Schweißarbeiten fest, die von den Herstellern während der Instandhaltung oder Instandhaltungsarbeiten an Schienenfahrzeugen und -fahrzeugteilen zu beachten sind.

Applications ferroviaires - Soudage des véhicules et des composants ferroviaires - Partie 6 : Exigences pour le soudage en maintenance

Ce document définit les exigences de qualité ainsi que les exigences de conception et de production en matière de soudage que doivent respecter les constructeurs au cours de l'entretien ou des activités de maintenance des véhicules et composants ferroviaires.

Železniške naprave - Varjenje železniških vozil in komponent - 6. del: Zahteve za vzdrževalno varjenje

General Information

Status
Published
Public Enquiry End Date
31-Aug-2020
Publication Date
13-Nov-2022
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
28-Oct-2022
Due Date
02-Jan-2023
Completion Date
14-Nov-2022

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SLOVENSKI STANDARD
SIST EN 15085-6:2022
01-december-2022
Železniške naprave - Varjenje železniških vozil in komponent - 6. del: Zahteve za
vzdrževalno varjenje
Railway applications - Welding of railway vehicles and components - Part 6:
Maintenance welding requirements
Bahnanwendungen - Schweißen von Schienenfahrzeugen und -fahrzeugteilen - Teil 6:
Anforderungen für die schweißtechnische Instandsetzung
Applications ferroviaires - Soudage des véhicules et des composants ferroviaires - Partie
6 : Exigences pour le soudage en maintenance
Ta slovenski standard je istoveten z: EN 15085-6:2022
ICS:
25.160.10 Varilni postopki in varjenje Welding processes
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
SIST EN 15085-6:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 15085-6:2022

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SIST EN 15085-6:2022


EN 15085-6
EUROPEAN STANDARD

NORME EUROPÉENNE

October 2022
EUROPÄISCHE NORM
ICS 25.160.10; 45.060.01
English Version

Railway applications - Welding of railway vehicles and
components - Part 6: Maintenance welding requirements
Applications ferroviaires - Soudage des véhicules Bahnanwendungen - Schweißen von
ferroviaires et des pièces - Partie 6 : Exigences de Schienenfahrzeugen und -fahrzeugteilen - Teil 6:
soudage en maintenance Anforderungen für die schweißtechnische
Instandsetzung
This European Standard was approved by CEN on 17 January 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15085-6:2022 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
SIST EN 15085-6:2022
EN 15085-6:2022 (E)
Contents
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Quality requirements for welding during maintenance . 7
4.1 General . 7
4.2 Welding coordination . 7
4.3 Conditions for welding . 7
4.3.1 General . 7
4.3.2 Welding outside a workshop . 7
4.3.3 Welding to enable running for transfer purposes . 7
4.4 Restrictions or prohibitions of welding . 8
5 Design requirements for components manufactured prior to the implementation of
2
EN 15085-3:- or where no manufacturing drawings exist . 8
5.1 Determination of the applicable weld performance classes . 8
5.2 Applicable testing requirements . 9
6 Preparation before maintenance welding . 10
6.1 Welding plans . 10
6.2 Additional production tests on welded assemblies . 10
7 Additional Requirements . 10
7.1 General . 10
7.2 Weld performance class CP A . 10
7.2.1 General . 10
7.2.2 Welding procedure specification . 10
7.2.3 Additional testing . 11
7.2.4 Inspection and testing of welded joint . 11
7.3 Parent metals . 11
7.3.1 Weldability of parent material - determination of material type/grade . 11
7.3.2 Steel with ReH > 690 MPa, cold rolled steel and aluminium . 11
7.3.3 Welding in cold formed areas . 11
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2016/797/EU aimed to be covered . 12
Bibliography . 14


2

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SIST EN 15085-6:2022
EN 15085-6:2022 (E)
European foreword
This document (EN 15085-6:2022) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, 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 April 2023, and conflicting national standards shall be
withdrawn at the latest by April 2023.
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 series of European Standards EN 15085 “Railway applications — Welding of railway vehicles and
components” consists of the following parts:
— Part 1: General;
— Part 2: Requirements for welding manufacturers;
— Part 3: Design requirements;
— Part 4: Production requirements;
— Part 5: Inspection, testing and documentation;
— Part 6: Maintenance welding requirements.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), 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 organisations 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.
3

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SIST EN 15085-6:2022
EN 15085-6:2022 (E)
Introduction
Welding is a special process in the manufacture of railway vehicles and their parts. The required
provisions for this process are laid down in the standards series EN ISO 3834. The basis of these
provisions is the basic technical welding standards with respect to the special requirements for the
construction of railway vehicles.
This series of standards applies to welding of metallic materials in the manufacture and maintenance of
railway vehicles and their parts.
It describes the control for the welding process for railway vehicles and their components for new
manufacture and maintenance.
With respect to the railway environment, this series of standards defines the quality requirements for the
welding manufacturer to undertake new building and repair work.
Components, parts and subassemblies are assigned a classification level, based on their safety relevance.
According to these levels, qualifications for welding personnel of the manufacturer are specified.
This series provides an essential link between the weld performance class defined during design, the
quality of the weld, and the demonstration of the required quality by inspection.
This series of standards does not deal with product qualification.
NOTE This series standard can also be used by internal and external parties, including certification bodies, to
assess the organization's ability to meet customer, regulatory and the organization's own requirements.
4

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SIST EN 15085-6:2022
EN 15085-6:2022 (E)
1 Scope
This document defines the quality requirements as well as the design and production requirements for
welding to be followed by manufacturers during maintenance or maintenance activities on railway
vehicles and components.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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.
EN 13306:2017, Maintenance — Maintenance terminology
1
EN 15085-1: - , Railway applications — Welding of railway vehicles and components — Part 1: General
EN 15085-2:2020, Railway applications — Welding of railway vehicles and components — Part 2:
Requirements for welding manufacturer
2
EN 15085-3:- , Railway applications — Welding of railway vehicles and components —Part 3: Design
requirements
3
EN 15085-4:- , Railway applications — Welding of railway vehicles and components — Part 4: Production
requirements
4
EN 15085-5:- , Railway applications — Welding of railway vehicles and components — Part 5: Inspection,
testing and documentation
EN 17018:2019, Railway applications — Rolling stock maintenance — Terms and definitions
EN ISO 3834-1:2021, Quality requirements for fusion welding of metallic materials — Part 1: Criteria for
the selection of the appropriate level of quality requirements (ISO 3834-1:2021)
EN ISO 3834-2:2021, Quality requirements for fusion welding of metallic materials — Part 2:
Comprehensive quality requirements (ISO 3834-2:2021)
EN ISO 3834-3:2021, Quality requirements for fusion welding of metallic materials — Part 3: Standard
quality requirements (ISO 3834-3:2021)
EN ISO 3834-4:2021, Quality requirements for fusion welding of metallic materials — Part 4: Elementary
quality requirements (ISO 3834-4:2021)
EN ISO 3834-5:2021, Quality requirements for fusion welding of metallic materials — Part 5: Documents
with which it is necessary to conform to claim conformity to the quality requirements of ISO 3834-2, ISO
3834-3 or ISO 3834-4 (ISO 3834-5:2021)
EN ISO 15613:2004, Specification and qualification of welding procedures for metallic materials —
Qualification based on pre-production welding test (ISO 15613:2004)

1
Under preparation. Stage at time of publication: prEN 15085-1:2021.
2
Under preparation. Stage at time of publication: FprEN 15085-3:2022.
3
Under preparation. Stage at time of publication: prEN 15085-4:2020.
4
Under preparation. Stage at time of publication: prEN 15085-5:2020.
5

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SIST EN 15085-6:2022
EN 15085-6:2022 (E)
5
EN ISO 15614-1:2017, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys
(ISO 15614-1:2017, Corrected version 2017-10-01)
EN ISO 15614-2:2005, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 2: Arc welding of aluminium and its alloys (ISO 15614-2:2005)
EN ISO 15614-3:2008, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 3: Fusion welding of non-alloyed and low-alloyed cast irons (ISO 15614-
3:2008)
6
EN ISO 15614-4:2005, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 4: Finishing welding of aluminium castings (ISO 15614-4:2005)
EN ISO 15614-7:2019, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 7: Overlay welding (ISO 15614-7:2016)
EN ISO 15614-11:2002, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 11: Electron and laser beam welding (ISO 15614-11:2002)
EN ISO 15614-12:2014, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 12: Spot, seam and projection welding (ISO 15614-12:2014)
EN ISO 15614-13:2012, Specification and qualification of welding procedures for metallic materials —
Welding procedure test — Part 13: Upset (resistance butt) and flash welding (ISO 15614-13:2012)
CEN ISO/TR 15608:2017, Welding — Guidelines for a metallic materials grouping system
3 Terms and definitions
1
For the purposes of this document, the terms and definitions given in EN 15085-1:- , EN 17018:2019 and
in EN 13306:2017 as well as the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1
repair
physical action taken to restore the required function of an entity treated either in position or removed
3.2
maintenance plan
railway vehicle or component based structured document containing a set of planned maintenance
activities and their maintenance interval limits based upon information in the maintenance manual
[SOURCE: EN 17018:2019, 3.1.4]

5
Document impacted by A1:2019.
6
Document impacted by AC:2007.
6

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SIST EN 15085-6:2022
EN 15085-6:2022 (E)
3.3
vehicle file
collection of documents containing evidence to prove that the
...

SLOVENSKI STANDARD
oSIST prEN 15085-6:2020
01-september-2020
Železniške naprave - Varjenje železniških vozil in sestavnih delov - 6. del: Zahteve
za vzdrževalno varjenje
Railway applications - Welding of railway vehicles and components - Part 6:
Maintenance welding requirements
Bahnanwendungen - Schweißen von Schienenfahrzeugen und -fahrzeugteilen - Teil 6:
Anforderungen für die schweißtechnische Instandsetzung
Applications ferroviaires - Soudage des véhicules et des composants ferroviaires - Partie
6 : Exigences pour le soudage en maintenance
Ta slovenski standard je istoveten z: prEN 15085-6
ICS:
25.160.10 Varilni postopki in varjenje Welding processes
45.060.01 Železniška vozila na splošno Railway rolling stock in
general
oSIST prEN 15085-6:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 15085-6:2020

---------------------- Page: 2 ----------------------
oSIST prEN 15085-6:2020


DRAFT
EUROPEAN STANDARD
prEN 15085-6
NORME EUROPÉENNE

EUROPÄISCHE NORM

April 2020
ICS 25.160.10; 45.060.01
English Version

Railway applications - Welding of railway vehicles and
components - Part 6: Maintenance welding requirements
Applications ferroviaires - Soudage des véhicules et des Bahnanwendungen - Schweißen von
composants ferroviaires - Partie 6 : Exigences pour le Schienenfahrzeugen und -fahrzeugteilen - Teil 6:
soudage en maintenance Anforderungen für die schweißtechnische
Instandsetzung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


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. prEN 15085-6:2020 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
Contents Page

European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Quality requirements for welding during maintenance . 6
4.1 General . 6
4.2 Welding coordination . 7
4.3 Conditions for welding . 7
4.4 Restrictions or prohibitions of welding . 7
5 Design requirements for components with welding drawings prior to the
publication of EN 15085-3 or if no drawings exist . 8
5.1 Determination of the applicable weld performance classes . 8
5.2 Testing and documentation . 9
6 Preparation before maintenance welding . 10
6.1 Working plans . 10
6.2 Additional production tests on welded assemblies . 10
7 Requirements for maintenance welding . 10
7.1 General . 10
7.2 Weld performance class CP A . 10
7.3 Parent metals . 11
Annex A (informative) Welding in cold formed areas . 12
Annex ZA (informative) Relationship between this European Standard and the Essential
Requirements of EU Directive 2016/797/EU aimed to be covered . 13
Bibliography . 14


2

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oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
European foreword
This document (prEN 15085-6:2020) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This series of European Standards EN 15085 “Railway applications — Welding of railway vehicles and
components” consists of the following parts:
— Part 1: General;
— Part 2: Requirements for welding manufacturers;
— Part 3: Design requirements;
— Part 4: Production requirements;
— Part 5: Inspection, testing and documentation;
— Part 6: Maintenance welding requirements.
3

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oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
Introduction
Welding is a special process in the manufacture of railway vehicles and their parts. The required
provisions for this process are laid down in the standards series EN ISO 3834. The basis of these
provisions is the basic technical welding standards in respect of the special requirements for the
construction of railway vehicles.
This document aims to define the terms of enforcement applicable to European standards. It should not
be construed as a substitute to these standards.
This document can also be used by internal and external parties, including accredited certification bodies,
to assess the organization's ability to meet customer, regulatory, and the organization's own
requirements.
4

---------------------- Page: 6 ----------------------
oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
1 Scope
This series of standards applies to welding of metallic materials in the manufacture and maintenance of
railway vehicles and their components.
This part of the series defines the classification levels as well as the requirements for manufacturers of
welded railway vehicles and components during maintenance or maintenance activities.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements 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.
EN 1011 (all parts), Welding — Recommendations for welding of metallic materials
EN 10025-2:2019, Hot rolled products of structural steels - Part 2: Technical delivery conditions for non-
alloy structural steels
EN 13306:2017, Maintenance - Maintenance terminology
EN 15085 (all parts), Railway applications — Welding of railway vehicles and components
EN 17018:2019, Railway applications - Rolling stock maintenance - Terms and definitions
EN ISO 3834 (all parts), Quality requirements for fusion welding of metallic materials
1
)
EN ISO 15614-(all parts), , Specification and qualification of welding procedures for metallic
materials — Welding procedure test

1
For railway applications, only EN ISO 15614-1, EN ISO 15614-2, EN ISO 15614-3, EN ISO 15614-4, EN ISO 15614-
7, EN ISO 15614-11, EN ISO 15614-12, and EN ISO 15614-13 are relevant.
5

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oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 15085-1, EN 17018 and in
EN 13306 as well as the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at http://www.iso.org/obp
— IEC Electropedia: available at http://www.electropedia.org/
3.1
repair
physical action taken to restore the required function of an entity treated either in position or removed
[SOURCE: EN 17018]
3.2
temporary repair
physical action taken to allow a faulty item to perform its required function for a limited time interval
and until a repair is carried out
[SOURCE: EN 13306]
3.3
maintenance plan
railway vehicle or component based structured document containing a set of planned maintenance
activities and their maintenance interval limits based upon information in the maintenance manual
[SOURCE: EN 17018]
3.4
vehicle file
collection of documents containing evidence to prove that the maintenance has been performed in
accordance with the maintenance plan information on the vehicle configuration and other vehicle specific
information
[SOURCE: EN 17018]
4 Quality requirements for welding during maintenance
4.1 General
For maintenance welding of railway vehicles and their components, the standard EN 15085-4 shall be
applied.
For maintenance welding all necessary information about the vehicle such as documentation of vehicle
manufacturer (drawings, operation manuals, manufacturer requirements) as well as special guidelines
and working instructions should be available.
If damage occurs repeatedly on similar components or if a maintenance welding activity introduces a
change with respect to the original drawing, all involved parties shall be informed.
6

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oSIST prEN 15085-6:2020
prEN 15085-6:2020 (E)
4.2 Welding coordination
In addition to the classification level defined in EN 15085-2:2007, 5.3, given the specific nature of
maintenance welding, the responsible welding coordinator shall have experience in maintenance.
Experience shall be consistent with the classification level and typical activities carried out by the
manufacturer and shall be proven by documentary evidence according to EN 15085-2:2007, Annex D.
4.3 Conditions for welding
4.3.1 General
All welding should be carried out within a suitable workshop. However, welding outside a workshop or
welding temporary repair may be carried out if the additional provisions given in 4.3.2 and 4.3.3 are
respected.
4.3.2 Welding outside a workshop
Welding outside a welding workshop shall only be carried out if the following conditions are fulfilled:
— Welding shall be performed in accordance with EN 15085 all parts.
— Welding shall be performed in accordance with the recommendations of the EN 1011 series. The
environmental conditions (e.g. wind, rain, relative humidity, temperature, accessibility etc.) shall be
taken into account to ensure the quality of the welding operation.
— The documentation shall include any special conditions that have to be met to put the vehicle back
in service.
If conditions above cannot be accomplished, welding outside a workshop shall be considered as a
temporary repair, see 4.3.3.
4.3.3 Welding temporary repair
Welding temporary repairs are carried out only to ensure safe movement of a railway vehicle to the
nearest appropriate workshop. They shall not be considered as a maintenance activity as defined in the
scope of this standard.
A description of the welding activities undertaken during temporary repair shall be documented,
including the location of any additional welds, in order to support any special conditions that shall be met
to move the vehicle.
4.4 Restr
...

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