Qualification test of welders - Fusion welding - Part 6: Cast irons

This document specifies main requirements, limits, inspection conditions and acceptance requirements as well as related inspection documents of welders for welded cast iron test pieces and workpieces.
It provides a set of technical rules for a systematic qualification test of a welder‘s skills, and enables such qualifications to be uniformly accepted independently of the type of product, location and examiner or examining body.
This document specifies the testing of a welder’s skill unless a higher level skill test is required.
The acceptance of a welder’s skill according to this document implies a practical experience and knowledge regarding the welding process, materials and safety requirements (see Annex C).
This document is to be used when requirements on part of a customer, testing or monitoring body or other organization are postulated.
This document defines the qualification test of welders for the fusion welding of cast irons. The welding processes referred to in this standard include those fusion welding processes which are designated as manual or partly mechanized welding. It does not cover fully mechanized and automated welding processes (see EN ISO 14732). Cast iron materials which are covered by this document are mentioned in 5.4.
The inspection document and certification are made out under the responsibility of the testing body.

Prüfung von Schweißern - Schmelzschweißen - Teil 6: Gusseisen

Dieses Dokument legt die wesentlichen Anforderungen, Geltungsbereiche, Prüfbedingungen und Abnahme¬anforderungen sowie die dazugehörigen Prüfbescheinigungen von Schweißern für geschweißte Bauteile und Werkstücke aus Gusseisen fest.
Es stellt eine Reihe technischer Regeln für systematische Prüfungen der Handfertigkeit von Schweißern auf und ermöglicht so, dass diese Qualifizierungen unabhängig von der Art des Erzeugnisses, des Ortes und des Prüfers oder der Prüfstelle einheitlich akzeptiert werden.
In diesem Dokument wird die Prüfung der Handfertigkeit eines Schweißers festgelegt, sofern nicht eine Prüfung auf einem höheren Niveau gefordert ist.
Die Anerkennung der Handfertigkeit eines Schweißers nach diesem Dokument setzt praktische Erfahrungen und Kenntnisse im Hinblick auf den Schweißprozess, die Werkstoffe und die sicherheitstechnischen Anforderungen voraus (siehe Anhang C).
Dieses Dokument wird angewendet, wenn von Seiten eines Kunden, einer Prüf  bzw. Überwachungsstelle oder einer anderen Organisation bestimmte Anforderungen zur Bedingung gemacht werden.
Dieses Dokument legt die Schweißerprüfung für das Schmelzschweißen von Gusseisen fest. Die Schweiß-prozesse, auf die in dieser Norm verwiesen wird, umfassen die als Handschweißen oder teilmechanisches Schweißen bezeichneten Schmelzschweißprozesse. Vollmechanische und automatische Schweißprozesse werden in dieser Norm nicht berücksichtigt, siehe EN ISO 14732. In 5.4 sind Gusseisenwerkstoffe angegeben, die in diesem Dokument berücksichtigt werden.
Die Prüfbescheinigung und die Zertifizierung werden unter der Verantwortung der Prüfstelle ausgestellt.

Épreuve de qualification des soudeurs - Soudage par fusion - Partie 6 : Fontes

Le présent document spécifie les exigences principales, les limites, les conditions d’inspection et les exigences d’acceptation, ainsi que les documents de contrôle des soudeurs concernant les coupons d’essai et les pièces en fonte soudés.
Il fournit un ensemble de règles techniques pour l’épreuve de qualification systématique des soudeurs et permet à de telles qualifications d’être acceptées uniformément, indépendamment du type de produit, du lieu et de l’examinateur ou de l’organisme d’examen.
Le présent document spécifie le contrôle de l’habileté d’un soudeur, sauf si une épreuve de niveau supérieur est exigée.
La reconnaissance des compétences d’un soudeur conformément au présent document implique une expérience et une connaissance pratique des procédés de soudage, des matériaux et des exigences de sécurité (voir l’Annexe C).
Le présent document doit être utilisé en cas d’exigences de la part d’un client, d’un organisme d’essai ou de surveillance ou de la part d’un autre organisme.
Le présent document définit l’épreuve de qualification des soudeurs pour le soudage par fusion des fontes. Les procédés de soudage auxquels il est fait référence dans la présente norme incluent les procédés de soudage par fusion manuels ou semi-automatiques. Cette norme ne traite pas des procédés de soudage entièrement mécanisés et automatisés (voir l’EN ISO 14732). Les matériaux en fonte relevant du présent document sont listés en 5.4.
Le document de contrôle et la certification sont préparés sous la responsabilité de l’organisme d’inspection.

Preskus usposobljenosti varilcev - Talilno varjenje - 6. del: Železova litina

Ta evropski standard določa glavne zahteve, omejitve, pogoje za nadzor in zahteve za sprejem ter povezane certifikate kontrole za varilce za varjene preskušance in obdelovance iz železove litine.
Podaja niz tehničnih pravil za sistematično preskušanje usposobljenosti varilcev in omogoča, da so taka usposabljanja povsod priznana, ne glede na vrsto izdelka, lokacijo in preizkuševalca/komisijo.
Ta evropski standard določa testiranje usposobljenosti varilca, razen če se uporablja preskus usposobljenosti na višji ravni.
Sprejem varilčeve usposobljenosti v skladu s tem evropskim standardom pomeni praktične izkušnje in znanje o varilnem postopku, materialih in varnostnih zahtevah (glej dodatek C).
Ta evropski standard je treba uporabljati v primeru zahtev s strani stranke, organa za preskušanje ali spremljanje ali druge organizacije.
Ta evropski standard določa preskus usposobljenosti varilcev za talilno varjenje železove litine. Postopki varjenja, ki so navedeni v tem standardu, vključujejo postopke talilnega varjenja, ki so zasnovani za ročno ali delno mehanizirano varjenje. Popolnoma mehaniziranih in avtomatiziranih postopkov varjenja ne obravnava v celoti (glej EN ISO 14732). Materiali iz železove litine, ki jih zajema ta evropski standard, so navedeni v točki 5.4.
Dokument in certifikat kontrole sta izdana v imenu in na odgovornost preskuševalnega organa.

General Information

Status
Published
Publication Date
24-Apr-2018
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
25-Apr-2018
Completion Date
25-Apr-2018

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Preskus usposobljenosti varilcev - Talilno varjenje - 6. del: Železova litinaPrüfung von Schweißern - Schmelzschweißen - Teil 6: GusseisenÉpreuve de qualification des soudeurs - Soudage par fusion - Partie 6 : FontesQualification test of welders - Fusion welding - Part 6: Cast iron25.160.01Varjenje, trdo in mehko spajkanje na splošnoWelding, brazing and soldering in general03.100.30Vodenje ljudiManagement of human resourcesICS:Ta slovenski standard je istoveten z:EN 287-6:2018SIST EN 287-6:2018en,fr,de01-julij-2018SIST EN 287-6:2018SLOVENSKI

STANDARDSIST EN 287-6:20101DGRPHãþD
SIST EN 287-6:2018
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 287-6
April
t r s z ICS
t wä s x rä r s Supersedes EN
t z yæ xã t r s rEnglish Version
Qualification test of welders æ Fusion welding æ Part

xã Cast irons Épreuve de qualification des soudeurs æ Soudage par fusion æ Partie

x ã Fontes
Prüfung von Schweißern æ Schmelzschweißen æ Teil
xã Gusseisen This European Standard was approved by CEN on
t t January
t r s zä

egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä

translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä

CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä

EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre:
Rue de la Science 23,
B-1040 Brussels

t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN

t z yæ xã t r s z ESIST EN 287-6:2018

EN 287-6:2018 (E) 2 Contents Page European foreword ....................................................................................................................................................... 4 Introduction .................................................................................................................................................................... 5 1 Scope .................................................................................................................................................................... 6 2 Normative references .................................................................................................................................... 6 3 Terms and definitions ................................................................................................................................... 7 4 Symbols and abbreviations ......................................................................................................................... 7 4.1 General ................................................................................................................................................................ 7 4.2 Reference numbers of welding processes .............................................................................................. 7 4.3 Abbreviations ................................................................................................................................................... 8 5 Essential variables .......................................................................................................................................... 9 5.1 General ................................................................................................................................................................ 9 5.2 Welding processes .......................................................................................................................................... 9 5.3 Type of weld and joint preparation .......................................................................................................... 9 5.4 Material groups ................................................................................................................................................ 9 5.5 Weld metals ....................................................................................................................................................... 9 5.6 Welding positions ........................................................................................................................................ 10 6 Range of qualification ................................................................................................................................. 10 6.1 General ............................................................................................................................................................. 10 6.2 Welding process ........................................................................................................................................... 10 6.3 Welding position .......................................................................................................................................... 10 6.4 Cast iron material groups .......................................................................................................................... 10 6.5 Test piece ........................................................................................................................................................ 11 6.6 Type of welding consumables.................................................................................................................. 11 7 Procedure of the qualification test and examination ..................................................................... 12 7.1 Supervision ..................................................................................................................................................... 12 7.2 Shapes and dimensions of test pieces ................................................................................................... 12 7.3 Welding conditions ...................................................................................................................................... 12 7.4 Range of testing ............................................................................................................................................. 13 7.5 Test pieces and test specimen ................................................................................................................. 13 8 Acceptance requirements for test pieces ............................................................................................ 16 9 Re-test .............................................................................................................................................................. 17 10 Period of validity .......................................................................................................................................... 17 10.1 Initial qualification ...................................................................................................................................... 17 10.2 Confirmation of the validity ..................................................................................................................... 17 10.3 Prolongation of qualification ................................................................................................................... 17 11 Certificate ........................................................................................................................................................ 17 12 Designation..................................................................................................................................................... 18 Annex A (informative)

Material groups of cast irons (relating to CEN ISO/TR 15608:2017 ........... 19 Annex B (informative)

Welder's qualification test certificate .................................................................... 20 Annex C (informative)

Job knowledge ................................................................................................................. 22 SIST EN 287-6:2018

EN 287-6:2018 (E) 3 Bibliography ................................................................................................................................................................. 26 SIST EN 287-6:2018

EN 287-6:2018 (E) 4 European foreword This document (EN 287-6:2018) has been prepared by Technical Committee CEN/TC 190 “Foundry Technology”, 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 October 2018, and conflicting national standards shall be withdrawn at the latest by October 2018. 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 287-6:2010. Within its programme of work, Technical Committee CEN/TC 190 requested CEN/TC 190/WG 13 “Welding of cast iron” to revise the following standard: EN 287-6: 2010, Qualification test of welders — Fusion welding — Part 6: Cast iron The following modifications were made: — Normative references revised; — Subclause 4.2: Process designations brought in accordance with EN ISO 4063 and welding processes "138" and "143" added; — Subclause

5.5: Last paragraph revised; — Subclause
6.5: Table 2 revised; — Subclause
6.6: Revised and Tables 4 and 5 inserted; — Subclause
7.4 Table 6: NOTE added; — Subclause

7.5.2: Tolerances added in Figures 1, 2a), 3, 4a) and 5; "F" and Key added in Figures 2b), 2d) and 4b); — Annex A: Title changed in “Material groups of cast irons (relating to CEN ISO/TR 15608:2017); — Annex A: Table A.1 revised; — Annex C, C.2.2.4: Welding processes "138" and "143" added; — Bibliography revised. 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 287-6:2018

EN 287-6:2018 (E) 5 Introduction The ability of a welder to follow written instructions and verification of a person's skills are important factors in ensuring the quality of a welded product. The testing of a welder's skill in accordance with this standard depends on welding techniques and conditions used in which uniform rules are complied with, and standard test pieces are used. The principle of this European Standard is that a qualification test qualifies the welder not only for the conditions used in the test, but also for all joints which are considered easier to weld on the presumption that the welder has received a specific training and/or has industrial practice within the range of qualification. The qualification test can be used to qualify a welding procedure and a welder provided that all the relevant requirements, e.g. test piece dimensions, are satisfied. SIST EN 287-6:2018

EN 287-6:2018 (E) 6 1 Scope This document specifies main requirements, limits, inspection conditions and acceptance requirements as well as related inspection documents of welders for welded cast iron test pieces and workpieces. It provides a set of technical rules for a systematic qualification test of a welder‘s skills, and enables such qualifications to be uniformly accepted independently of the type of product, location and examiner or examining body. This document specifies the testing of a welder’s skill unless a higher level skill test is required. The acceptance of a welder’s skill in accordance with this document implies a practical experience and knowledge regarding the welding process, materials and safety requirements (see Annex C). This document is to be used when requirements on part of a customer, testing or monitoring body or other organization are postulated. This document defines the qualification test of welders for the fusion welding of cast irons. The welding processes referred to in this standard include those fusion welding processes which are designated as manual or partly mechanized welding. It does not cover fully mechanized and automated welding processes (see EN ISO 14732). Cast iron materials which are covered by this document are mentioned in 5.4. The inspection document and certification are made out under the responsibility of the testing body. 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. CEN ISO/TR 15608:2017, Welding — Guidelines for a metallic materials grouping system (ISO/TR 15608:2017) EN 1011-8, Welding — Recommendations for welding of metallic materials — Part 8: Welding of cast irons EN ISO 1071, Welding consumables — Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron — Classification (ISO 1071) EN ISO 3452-1, Non-destructive testing — Penetrant testing — Part 1: General principles (ISO 3452-1) EN ISO 4063, Welding and allied processes — Nomenclature of processes and reference numbers (ISO 4063) EN ISO 6520-1, Welding and allied processes — Classification of geometric imperfections in metallic materials — Part 1: Fusion welding (ISO 6520-1) EN ISO 6947, Welding and allied processes — Welding positions (ISO 6947) EN ISO 9017, Destructive tests on welds in metallic materials — Fracture test (ISO 9017) EN ISO 9606-1, Qualification testing of welders — Fusion welding — Part 1: Steels (ISO 9606-1) EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 1: Arc welding (ISO 15609-1) SIST EN 287-6:2018

EN 287-6:2018 (E) 7 EN ISO 15609-2, Specification and qualification of welding procedures for metallic materials — Welding procedure specification — Part 2: Gas welding (ISO 15609-2) EN ISO 17637, Non-destructive testing of welds — Visual testing of fusion-welded joints (ISO 17637) EN ISO 17638, Non-destructive testing of welds — Magnetic particle testing (ISO 17638) EN ISO 17639, Destructive tests on welds in metallic materials — Macroscopic and microscopic examination of welds (ISO 17639) ISO/TR 25901-3, Welding and allied processes — Vocabulary - Part 3: Welding processes 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN ISO 9606-1 apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — IEC Electropedia: available at http://www.electropedia.org/

— ISO Online browsing platform: available at http://www.iso.org/obp

4 Symbols and abbreviations 4.1 General Where the full wording is not used, the following abbreviations and reference numbers shall be used when completing the welder's qualification test certificate (see Annex B). 4.2 Reference numbers of welding processes This European Standard covers the following manual or partly mechanized welding processes (reference numbers of the symbolic designation of welding processes are listed in EN ISO 4063): 111 Manual metal arc welding; 114 Self-shielded tubular cored arc welding; 131 MIG welding with solid wire electrode; 135 MAG welding with solid wire electrode; 136 MAG welding with flux cored electrode; 138 MAG welding with metal cored electrode; 141 TIG welding with solid filler material (wire/rod); 143 TIG welding with tubular cored filler material (wire/rod); 15 Plasma arc welding; 311 Oxyacetylene welding. SIST EN 287-6:2018

EN 287-6:2018 (E) 8 4.3 Abbreviations 4.3.1 Test pieces a designed fillet weld thickness; BW butt weld; FW fillet weld; CPC simulated crack (cast iron plate crack); CPH tapped blind hole (cast iron plate hole); t material thickness of test piece (plate or wall thickness); z leg length of fillet weld. 4.3.2 Consumables FeC-1 similar welding consumable; FeC-2 similar welding consumable; FeC-GF similar welding consumable; FeC-GP similar welding consumable; Fe1 iron based consumable; Fe2 iron based consumable; Ni nickel based consumable; NiFe-1 nickel based consumable; NiFe-2 nickel based consumable; NiCu nickel based consumable; Z any concerted consumable. NOTE See EN ISO 1071. 4.3.3 Other weld details

hw homogeneous weld metal; sw semi-homogeneous weld metal; nw non-homogeneous weld metal; bs welding from both sides; ss single-side welding; gg gouging or grinding of root run; ng without gouging or grinding; mb welding with backing; nb welding without backing. SIST EN 287-6:2018

EN 287-6:2018 (E) 9 5 Essential variables 5.1 General The qualification of welders is based on essential variables. For each essential variable, a range of qualification is defined. All test pieces shall be welded using the essential variables independently. The test piece for the qualification test is unattached from the type of component. 5.2 Welding processes The welding processes are defined in ISO/TR 25901-3 (see also 4.2). 5.3 Type of weld and joint preparation For those butt and fillet weld test pieces made of cast iron plates with tapped blind holes and for those test pieces made of cast iron with simulated cracks the qualification test shall be made in accordance with 7.2. 5.4 Material groups 5.4.1 General In order to reduce the number of qualification tests, materials with similar welding characteristics are grouped in accordance with CEN ISO/TR 15608 (see also 5.4.2). 5.4.2 Cast iron groups According to the operational requirements the following cast iron materials are relevant. Cast iron groups in accordance with CEN ISO/TR 15608: 71 grey (lamellar graphite) cast irons; 72 spheroidal graphite cast irons; 73 malleable cast irons; 74 austempered ductile cast irons; 75 austenitic cast irons; 76 other cast iron materials. 5.5 Weld metals It is differentiated between homogeneous weld metal (hw), semi-homogeneous weld metal (sw) and non-homogeneous weld metal (nw). For the qualification test, suitable consumables shall be selected in view of the parent metal and the welding process. The welding process shall conform to the relevant pWPS or WPS (see EN ISO 15609-1 and EN ISO 15609-2). If a qualification test is made by using one kind of welding consumables, shielding gases or fluxes the test will also be accepted for the same cast iron material group for welding consumables, shielding gases or welding fluxes with the same designation in accordance with the appropriate European Standard for the consumable, shielding and flux concerned. SIST EN 287-6:2018

EN 287-6:2018 (E) 10 5.6 Welding positions The welding position shall be chosen in accordance with Figure C.1. The welding positions and symbols refer to EN ISO 6947. The test pieces shall be welded in accordance with the nominal angles of the welding positions in accordance with EN ISO 6947. 6 Range of qualification 6.1 General As a basic principle the qualification test of a welder not only covers the referring test piece and the skill for these special variables, it also covers joints and appropriate variables which are easier to create. 6.2 Welding process Each qualification test refers to one welding process. A change of the welding process requires a new qualification test. 6.3 Welding position The welding position PB includes the position PA. The welding position PC includes the positions PA and PB. The welding position PF includes the positions PB and PA. NOTE The positions of weld are illustrated in Figure C.1. 6.4 Cast iron material groups See CEN ISO/TR 15608 (see also Table A.1). The range of qualification is given in Table 1. Table 1 — Range of qualification for test pieces Material groups of test pieces Range of qualification for material group 71 72.1 72.2 72.3 72.4 73.1 73.2 73.3 74 71 X X X X X X X X

72.1
X X
X X X
72.2
X X
X X X
72.3
X X X
X X
...

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