BRITISH STANDARD BS EN ISO 14344:2005

Welding and allied processes — Flux and gas shielded electrical welding processes — Procurement guidelines for consumables

The European Standard EN ISO 14344:2005 has the status of a British Standard

ICS 25.160.20

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BS EN ISO 14344:2005

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 13 April 2005

© BSI 13 April 2005

ISBN 0 580 45729 X

National foreword

This British Standard is the official English language version of EN ISO 14344:2005. It is identical with ISO 14344:2002.

The UK participation in its preparation was entrusted to Technical Committee WEE/39, Welding consumables, which has the responsibility to:

A list of organizations represented on this committee can be obtained on request to its secretary.

Cross-referencesThe British Standards which implement international or European publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online.

This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

— aid enquirers to understand the text;

— present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;

— monitor related international and European developments and promulgate them in the UK.

Summary of pages

This document comprises a front cover, an inside front cover, the EN ISO title page, the EN ISO foreword page, the ISO title page, pages ii and iii, a blank page, pages 1 to 8, an inside back cover and a back cover.

The BSI copyright notice displayed in this document indicates when the document was last issued.

Amendments issued since publication

Amd. No. Date Comments

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EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN ISO 14344

March 2005

ICS 25.160.20

English version

Welding and allied processes - Flux and gas shielded electricalwelding processes - Procurement guidelines for consumables

(ISO 14344:2002)

Soudage et techniques connexes - Procédés de soudageélectrique sous protection gazeuse et par flux - Lignesdirectrices relatives à l'approvisionnement en produits

consommables (ISO 14344:2002)

Schweißen und verwandte Prozesse - Pulver- undgasgeschützte Schweißprozesse - Richtlinien zur

Beschaffung von Schweißzusätzen (ISO 14344:2002)

This European Standard was approved by CEN on 7 February 2005.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.

CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATIONC OM ITÉ EUR OP ÉEN DE NOR M ALIS AT IONEUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2005 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.

Ref. No. EN ISO 14344:2005: E

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Foreword The text of ISO 14344:2002 has been prepared by Technical Committee ISO/TC 44 "Welding and allied processes" of the International Organization for Standardization (ISO) and has been taken over as EN ISO 14344:2005 by Technical Committee CEN/TC 121 "Welding" 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 September 2005, and conflicting national standards shall be withdrawn at the latest by September 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

Endorsement notice

The text of ISO 14344:2002 has been approved by CEN as EN ISO 14344:2005 without any modifications.

EN ISO 14344:2005

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Reference numberISO 14344:2002(E)

INTERNATIONAL STANDARD

ISO14344

First edition2002-07-15

Welding and allied processes — Flux and gas shielded electrical welding processes — Procurement guidelines for consumables

Soudage et techniques connexes — Procédés de soudage électrique sous protection gazeuse et par flux — Lignes directrices relatives à l'approvisionnement en produits consommables

EN ISO 14344:2005

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ii

EN ISO 14344:2005

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iii

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.

International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3.

The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.

Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.

International Standard ISO 14344 was prepared in collaboration with the International Institute of Welding which has been approved by the ISO Council as an international standardizing body in the field of welding.

EN ISO 14344:2005

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blank

EN ISO 14344:2005

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INTENRATIONAL TSANDADR IS:44341 O2002(E)

1

Welding and allied processes — Flux and gas shielded electrical welding processes — Procurement guidelines for consumables

1 Scope

This International Standard is a tool for communication between a purchaser and a supplier of welding consumables within quality systems as might, for example, be based upon ISO 9001. This International Standard, together with an ISO or other recognized welding consumable standard, provides a method for preparing those specific details needed for welding consumable procurement which consist of the following:

a) the welding consumable classification (selected from the pertinent ISO or other welding consumable standard);

b) the lot classification (selected from Clause 5 of this International Standard);

c) the testing schedule (selected from Clause 6 of this International Standard).

Selection of the specific welding consumable classification, lot classification and testing schedule will depend upon the requirements of the application for which the welding consumable is being procured.

2 Normative reference

The following normative document contains provisions which, through reference in this text, constitute provisions of this International Standard. For dated references, subsequent amendments to, or revisions of, any of this publication do not apply. However, parties to agreements based on this International Standard are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards.

ISO 9001, Quality management systems — Requirements

3 Terms and definitions

In production, the components of welding consumables are divided into discrete, predetermined quantities so that satisfactory tests with a sample from that quantity will establish that the entire quantity meets specification requirements. These quantities, known by such terms as heats, lots, blends, batches and mixes, vary in size according to the manufacturer. For identification purposes, each manufacturer assigns a unique designation to each quantity. This designation usually consists of a series of numbers or letters, or combinations thereof, which will enable the manufacturer to determine the date and time (or shift) of manufacture, the type and source of the raw materials used, and the details of the procedures used in producing the welding consumable. This designation stays with the welding consumable and can be used to identify the material later, in those cases in which identification is necessary.

For the purposes of this International Standard, the following terms and definitions apply.

3.1 dry batch quantity of dry ingredients mixed at one time in one mixing vessel

EN ISO 14344:2005

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NOTE Liquid binder, when added to a dry batch, produces a wet mix. A dry batch may be divided into smaller quantities, in which case addition of the liquid binder produces as many wet mixes as there were smaller quantities.

3.2 dry blend two or more dry batches from which quantities of each are combined proportionately, then mixed in a mixing vessel to produce a larger quantity in which the ingredients are as uniformly dispersed as they would have been had the entire quantity been mixed together at one time in one large mixer

NOTE A dry blend, as in the case of a dry batch, may be used singly or divided into smaller quantities which, when the liquid binder is added, produce one or more wet mixes.

3.3 wet mix combination of liquid binder and a dry batch or dry blend, or a portion thereof, mixed at one time in one mixing vessel

3.4 heat for consumable inserts, solid electrodes and rods, core wire for covered electrodes, and the sheath (strip or tubing of tubular cored electrode wire and rod), one of the following, depending on the method of melting and refining of the metal:

the material obtained from one furnace melt, where slag-metal or gas-metal reactions occur in producing the metal (e.g., open hearth, electric arc, basic oxygen, argon-oxygen processes);

an uninterrupted series of melts from one controlled batch of metals and alloying ingredients in one melting furnace under the same melting conditions, each melt conforming to the chemical composition range approved by the purchaser of the material (i.e., the producer of the welding consumable) where significant chemical reactions do not occur in producing the metal (e.g., induction melting in a controlled atmosphere or in a vacuum);

an uninterrupted series of remelts in one furnace under the same remelting conditions using one or more consumable electrodes produced from a heat, as defined, each remelt conforming to the chemical composition range approved by the purchaser of the material (i.e., the producer of the welding consumable) in processes involving continuous melting and casting (e.g., consumable electrode remelt).

4 Identification

4.1 General

Identification of consumable inserts, solid electrode wire and strip, rods, core wire for covered electrodes, and the sheath (strip or tubing) of tubular cored electrodes and rods shall be applied as listed in 4.2 to 4.5.

4.2 Heat Number

Solid wire, electrode core wire, rod, strip and consumable inserts, identified by heat number, shall consist of material from a single heat of metal.

4.3 Controlled chemical composition

Solid wire, electrode core wire, rod, strip and consumable inserts identified by controlled chemical composition, rather than by heat number, shall consist of mill coils of one or more heats from which samples have been taken for chemical analysis. The results of the analysis of each sample shall be within the manufacturer’s composition limits for that material. Coils from mills that do not permit spliced-coil practice need be sampled on only one end. Coils from mills that permit spliced-coil practice shall be sampled on both ends and shall have no more than a single splice per coil.

EN ISO 14344:2005

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4.4 Covering mix

In the production of covered electrodes, the covering mix shall be identified in one of the following two manners:

a) wet mix:

a covering identified by wet mix shall consist of a single wet mix for each lot of electrodes;

b) controlled chemical composition:

a covering identified by controlled chemical composition (rather than by wet mix) shall consist of one or more wet mixes and subjected to sufficient tests to assure that all wet mixes within the lot are equivalent. These tests shall include chemical analysis, the results of which shall fall within the manufacturer’s acceptance limits. The identification of the test procedure and the results of the tests shall be recorded.

4.5 Core ingredients

In the production of tubular cored electrode wire or rod (flux cored or metal cored welding consumables), the core ingredients shall be identified in one of the following manners:

a) dry blend:

core ingredients identified by dry blend shall consist of a single dry batch or dry blend;

b) controlled chemical composition:

core ingredients identified by controlled composition shall consist of one or more dry blends and be subjected to sufficient tests to assure that all dry blends within the lot are equivalent. These tests shall include chemical analysis, the results of which shall fall within the manufacturer’s acceptance limits. The identification of the test procedure and the results of the tests shall be recorded.

5 Lot classification

5.1 Bare solid electrode wires and strips, rods and consumable inserts

5.1.1 Class S1

A Class S1 lot of bare solid electrodes and rods or consumable inserts is the manufacturer’s standard lot, as defined in the manufacturer’s quality assurance programme.

5.1.2 Class S2

A Class S2 lot of bare solid electrodes and rods or consumable inserts is the quantity, not exceeding 45 000 kg, of one classification, size, form and temper produced in 24 h of consecutively scheduled production (i.e., consecutive normal work shifts). Class S2 solid electrodes and rods or consumable inserts shall be produced from one heat (4.2) or from material identified by controlled chemical composition (4.3).

5.1.3 Class S3

A Class S3 lot of bare solid electrodes and rods or consumable inserts is the quantity of one size produced in one production schedule from one heat (4.2).

EN ISO 14344:2005

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5.1.4 Class S4

A class S4 lot of bare solid electrodes and rods or consumable inserts is the quantity, not exceeding 45 000 kg, of one classification, size, form and temper produced under one production schedule. Class S4 solid electrodes and rods or consumable inserts shall be produced from one heat (3.4) or from material identified by controlled chemical composition (4.3).

5.2 Tubular cored electrodes and rods

5.2.1 Class T1

A Class T1 lot of tubular cored electrodes and rods is the manufacturer’s standard lot, as defined in the manufacturer’s quality assurance programme.

5.2.2 Class T2

A Class T2 lot of tubular cored electrodes and rods is the quantity, not exceeding 45 000 kg, of one classification and size produced in 24 h of consecutively scheduled production (i.e., consecutive normal work shifts). Class T2 tubular cored electrodes and rods shall be produced from tube or strip identified by heat number (4.2) or by controlled chemical composition (4.3). Identification of the core ingredients shall be as specified in 4.5 a) or 4.5 b).

5.2.3 Class T3

A Class T3 lot of tubular cored electrodes and rods is the quantity produced from one heat (4.2) and one dry batch (3.1) or one dry blend (3.2) of core materials. Identification of the core ingredients shall be as specified in 4.5 a).

5.2.4 Class T4

A Class T4 lot of tubular cored electrodes and rods is the quantity, not exceeding 45 000 kg, of one classification and size produced under one production schedule from tube or strip identified by heat number (4.2) or controlled chemical composition (4.3). Identification of the core ingredients shall be as specified in 4.5 a) or 4.5 b).

5.3 Covered electrodes

5.3.1 Class C1

A Class C1 lot of covered electrodes is the manufacturer’s standard lot, as defined in the manufacturer’s quality assurance programme.

5.3.2 Class C2

A Class C2 lot of covered electrodes is the quantity, not exceeding 45 000 kg, of any one size and classification produced in 24 h of consecutively scheduled production (i.e., consecutive normal work shifts).

5.3.3 Class C3

A Class C3 lot of covered electrodes is the quantity, not exceeding 45 000 kg, of any one size and classification produced in 24 h of consecutively scheduled production (i.e., consecutive normal work shifts). Class C3 electrodes shall be produced from covering identified by wet mix [4.4 a)] or controlled chemical composition [4.4 b)] and core wire identified by heat number (4.2) or controlled chemical composition (4.3).

5.3.4 Class C4

A Class C4 lot of covered electrodes is the quantity of any one size and classification produced from one wet mix [4.4 a)] and one heat of core wire (4.2).

EN ISO 14344:2005

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5.3.5 Class C5

A Class C5 lot of covered electrodes is the quantity of one size and classification produced from one dry blend of covering mixture [4.5 a)] and one heat of core wire (4.2).

5.4 Fluxes for submerged arc welding

5.4.1 Class F1

A Class F1 lot of flux is the manufacturer’s standard lot, as defined in the manufacturer’s quality assurance programme.

5.4.2 Class F2

A Class F2 lot of flux is the quantity produced from the same combination of raw materials under one production schedule.

6 Level of testing

6.1 General

The level of the testing schedule shall be selected by the purchaser from those listed in Table 1. If no level of testing schedule is specified, the level shall be Schedule 1.

6.2 Schedule 1

The level of testing shall be the manufacturer’s standard. A statement, “the product supplied will meet the requirements of the applicable ISO standard (or other welding consumable standard), when tested in accordance with that standard” and a summary of the typical properties of the material, when tested in that manner, shall be supplied upon written request. The class of each lot will be the manufacturer’s standard.

6.3 Schedule 2

Test results shall be supplied from any production run of the product made within the twelve months preceding the date of the purchase order. This shall include the results of all tests prescribed for that classification in the ISO or other applicable standard. The class of each lot is the manufacturer’s standard.

6.4 Schedule 3

Chemical analysis of each lot shipped shall be supplied by the manufacturer. The analysis shall include those elements prescribed for that classification in the ISO or other applicable standard. The class of each lot shall be specified by the purchaser from those listed in clause 5 of this International Standard.

6.5 Schedule 4

Results of the tests called for in Table 2 shall be supplied by the manufacturer for each lot shipped. These tests represent a consensus of those frequently requested for consumables certification; however, they do not necessarily include all tests required for Schedule 5. The tests shall be performed as prescribed for that classification in the ISO or other applicable standard. The class of each lot shall be specified by the purchaser from those listed in clause 5.

EN ISO 14344:2005

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6.6 Schedule 5

Results of all of the tests prescribed for that classification in the ISO or other applicable standard shall be supplied by the manufacturer for each lot shipped. The class of each lot shall be specified by the purchaser from those listed in clause 5.

6.7 Schedule 6

In addition to, or in place of, any of the tests called for in the ISO or other applicable standard, the purchaser may require other tests (such as testing after a specified heat treatment). In all such cases, the purchaser shall identify on the purchase order the specific tests that are to be conducted, the procedures to be followed, the requirements that shall be met and the results to be reported by the manufacturer. The class of each lot shall be specified by the purchaser from those listed in clause 5.

Table 1 — Testing Schedules

Schedule Requirements Reference

1 The manufacturer’s standard testing schedule 6.2

2 Tests from production runs of the product within 12 months preceding the date of the purchase order 6.3

3 Chemical analysis only, for each lot shipped 6.4

4 Tests called for by Table 2, for each lot shipped 6.5

5 All tests which the classification called for in the pertinent ISO or other welding consumable standard, for each lot shipped 6.6

6 All tests specified by the purchaser for each lot shipped 6.7

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Table 2 — Required tests for Schedule 4 in Table 1

Alloy Groupa,b

Product Type Non alloy

and fine grain steel

High tensile

and creep

resisting steel

Stainless and heat resisting

steel

Nickel and

Ni-alloy

Aluminium and

Al-alloy

Copper and

Cu-alloy

Magnesium and

Mg-alloy

Bare solid electrodes and rods for gas-shielded metal-arc welding, plasma arc welding, and electro-gas welding

1, 2, 3, 4

c

1, 2, 3, 4

c

1 c

1 c

1, 4 1 1

Bare solid and metal cored electrodes (wires and strips) for submerged arc welding

1 1 1 1 — — —

Electrode-flux combinations for submerged arc welding and electro-slag welding

1, 2, 3, 4, 5d

1, 2, 3, 4, 5d

1, 6 — — — —

Tubular cored electrodes for metal arc welding with or without gas shielding, and for electro-gas welding

1, 2, 3, 4, 5d

1, 2, 3, 4, 5d

1, 6 1, 2, 4

— — —

Covered solid and metal cored electrodes for manual metal arc welding

1, 2, 3,4, 5

1, 2, 3, 4, 5

1, 6 1, 2, 4 1, 4 1, 4 —

a Tests called for in this Table shall be performed only when required by the applicable ISO or other standard for the particular classification involved. Tests shall be performed in the manner prescribed by the applicable standard. Testing to one current and polarity shall be adequate.

b Test designations are as follows:

(1) Chemical analysis (2) Tensile (3) Impact toughness (4) Soundness (X-ray) (not required in ISO consumable standards, but required in some national standards) (5) Diffusible hydrogen (6) Ferrite Number, if applicable

c Includes consumable inserts.

d The diffusible hydrogen test is not applicable to electro-slag or electro-gas welding.

7 Certification

7.1 General

Certification that the product meets the ISO or other applicable standard can be done by the manufacturer, by an intermediate provider in the supply chain from manufacturer to purchaser, or by an organization not in the supply chain (third party). The certifying organization shall be at least certified to ISO 9001.

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7.2 Certification by the manufacturer

By placing a label on the product in conformance with the applicable ISO or other welding consumable standard, the manufacturer certifies that the shipped product meets the requirements of that standard. This certrification is accomplished through a quality assurance programme by which the manufacturer verifies that the product meets those requirements. Such a programme includes planning, documentation, surveillance, inspection, testing and certification of the test results. It also includes control of the inspection and measuring equipment, as well as control of any nonconforming material. It involves auditing of the activities and provides for developing and implementing any corrective action that may be necessary.

7.3 Certification by an intermediate provider

When another organization, not fully integrated into the production of the product, labels the product, and hence provides certification, that organization’s quality assurance system shall provide that traceability of all data required from the original manufacturer is maintained and available. Such a programme includes planning, documentation, testing and certification of the test results. It also includes control of the inspection and measuring equipment, as well as control of any nonconforming material. It involves auditing of the activities and provides for developing and implementing any corrective action that may be necessary.

7.4 Certification by a third party

Certification may be performed by a third party in one of two ways. The third party may actually conduct the testing required and provide the results of the tests. Or the third party may witness the conducting of the tests while they are being carried out by the manufacturer or by an intermediate provider. In either case, the third party is responsible for auditing the quality assurance system of the manufacturer or intermediate provider.

EN ISO 14344:2005

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BS EN ISO 14344:2005

BSI

389 Chiswick High Road

London

W4 4AL

BSI — British Standards InstitutionBSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.

Revisions

British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions.

It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secretary of the technical committee responsible, the identity of which can be found on the inside front cover. Tel: +44 (0)20 8996 9000. Fax: +44 (0)20 8996 7400.

BSI offers members an individual updating service called PLUS which ensures that subscribers automatically receive the latest editions of standards.

Buying standards

Orders for all BSI, international and foreign standards publications should be addressed to Customer Services. Tel: +44 (0)20 8996 9001. Fax: +44 (0)20 8996 7001. Email: orders@bsi-global.com. Standards are also available from the BSI website at http://www.bsi-global.com.

In response to orders for international standards, it is BSI policy to supply the BSI implementation of those that have been published as British Standards, unless otherwise requested.

Information on standards

BSI provides a wide range of information on national, European and international standards through its Library and its Technical Help to Exporters Service. Various BSI electronic information services are also available which give details on all its products and services. Contact the Information Centre. Tel: +44 (0)20 8996 7111. Fax: +44 (0)20 8996 7048. Email: info@bsi-global.com.

Subscribing members of BSI are kept up to date with standards developments and receive substantial discounts on the purchase price of standards. For details of these and other benefits contact Membership Administration. Tel: +44 (0)20 8996 7002. Fax: +44 (0)20 8996 7001. Email: membership@bsi-global.com.

Information regarding online access to British Standards via British Standards Online can be found at http://www.bsi-global.com/bsonline.

Further information about BSI is available on the BSI website at http://www.bsi-global.com.

Copyright

Copyright subsists in all BSI publications. BSI also holds the copyright, in the UK, of the publications of the international standardization bodies. Except as permitted under the Copyright, Designs and Patents Act 1988 no extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means – electronic, photocopying, recording or otherwise – without prior written permission from BSI.

This does not preclude the free use, in the course of implementing the standard, of necessary details such as symbols, and size, type or grade designations. If these details are to be used for any other purpose than implementation then the prior written permission of BSI must be obtained.

Details and advice can be obtained from the Copyright & Licensing Manager. Tel: +44 (0)20 8996 7070. Fax: +44 (0)20 8996 7553. Email: copyright@bsi-global.com.

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