specification for magnesium alloy welding electrodes and...

Specification forMagnesium AlloyWelding Electrodesand Rods

ANSI/AWS A5.19-92 (R2006)An American National Standard

550 N.W. LeJeune Road, Miami, FL 33126

ANSI/AWS A5.19-92 (R2006)An American National Standard

Approved by theAmerican National Standards Institute

April 21, 1992

Specification for

Magnesium Alloy Welding

Electrodes and Rods

Supersedes AWS A5.19-90

Prepared by theAmerican Welding Society (AWS) A5 Committee on Filler Metal

Under the Direction of theAWS Technical Activities Committee

Approved by theAWS Board of Directors

AbstractThis specification prescribes requirements for the classification of bare magnesium alloy welding electrodes and rods foruse with the gas metal arc, gas tungsten arc, oxyfuel gas, and plasma arc welding processes. Classification is based uponchemical composition of the welding wire. Standard sizes, finish, winding requirements, package forms and weights,product information, and chemical composition limits are specified.

Key Words—Bare magnesium alloy, filler metal, gas metal arc welding, gas tungsten arc welding, magnesium electrodes, magnesium rods, oxyfuel gas welding, plasma arc welding

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International Standard Book Number: 0-87171-399-3American Welding Society

550 N.W. LeJeune Road, Miami, FL 33126© 1992 by American Welding Society

All rights reservedPrinted in the United States of America

Reaffirmed: January 11, 2006

Photocopy Rights. No portion of this standard may be reproduced, stored in a retrieval system, or transmitted in anyform, including mechanical, photocopying, recording, or otherwise, without the prior written permission of the copyrightowner.

Authorization to photocopy items for internal, personal, or educational classroom use only or the internal, personal, oreducational classroom use only of specific clients is granted by the American Welding Society provided that the appropriatefee is paid to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, tel: (978) 750-8400; Internet:<www.copyright.com>.

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Statement on Use of AWS American National Standards

All standards (codes, specifications, recommended practices, methods, classifications, and guides) of the AmericanWelding Society (AWS) are voluntary consensus standards that have been developed in accordance with the rules of theAmerican National Standards Institute (ANSI). When AWS standards are either incorporated in, or made part of,documents that are included in federal or state laws and regulations, or the regulations of other governmental bodies,their provisions carry the full legal authority of the statute. In such cases, any changes in those AWS standards must beapproved by the governmental body having statutory jurisdiction before they can become a part of those laws andregulations. In all cases, these standards carry the full legal authority of the contract or other document that invokes theAWS standards. Where this contractual relationship exists, changes in or deviations from requirements of an AWSstandard must be by agreement between the contracting parties.

AWS American National Standards are developed through a consensus standards development process that bringstogether volunteers representing varied viewpoints and interests to achieve consensus. While AWS administers the processand establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, orverify the accuracy of any information or the soundness of any judgments contained in its standards.

AWS disclaims liability for any injury to persons or to property, or other damages of any nature whatsoever, whetherspecial, indirect, consequential or compensatory, directly or indirectly resulting from the publication, use of, or relianceon this standard. AWS also makes no guaranty or warranty as to the accuracy or completeness of any informationpublished herein.

In issuing and making this standard available, AWS is not undertaking to render professional or other services for or onbehalf of any person or entity. Nor is AWS undertaking to perform any duty owed by any person or entity to someoneelse. Anyone using these documents should rely on his or her own independent judgment or, as appropriate, seek theadvice of a competent professional in determining the exercise of reasonable care in any given circumstances.

This standard may be superseded by the issuance of new editions. Users should ensure that they have the latest edition.

Publication of this standard does not authorize infringement of any patent or trade name. Users of this standard acceptany and all liabilities for infringement of any patent or trade name items. AWS disclaims liability for the infringement ofany patent or product trade name resulting from the use of this standard.

Finally, AWS does not monitor, police, or enforce compliance with this standard, nor does it have the power to do so.

On occasion, text, tables, or figures are printed incorrectly, constituting errata. Such errata, when discovered, are postedon the AWS web page (www.aws.org).

Official interpretations of any of the technical requirements of this standard may only be obtained by sending a request,in writing, to the Managing Director, Technical Services Division, American Welding Society, 550 N.W. LeJeune Road,Miami, FL 33126. With regard to technical inquiries made concerning AWS standards, oral opinions on AWS standardsmay be rendered. However, such opinions represent only the personal opinions of the particular individuals giving them.These individuals do not speak on behalf of AWS, nor do these oral opinions constitute official or unofficial opinions orinterpretations of AWS. In addition, oral opinions are informal and should not be used as a substitute for an officialinterpretation.

This standard is subject to revision at any time by the AWS A5 Committee on Filler Metal. It must be reviewed everyfive years, and if not revised, it must be either reaffirmed or withdrawn. Comments (recommendations, additions, ordeletions) and any pertinent data that may be of use in improving this standard are required and should be addressed toAWS Headquarters. Such comments will receive careful consideration by the AWS A5 Committee on Filler Metal andthe author of the comments will be informed of the Committee’s response to the comments. Guests are invited to attendall meetings of the AWS A5 Committee on Filler Metal to express their comments verbally. Procedures for appeal ofan adverse decision concerning all such comments are provided in the Rules of Operation of the Technical ActivitiesCommittee. A copy of these Rules can be obtained from the American Welding Society, 550 N.W. LeJeune Road, Miami,FL 33126.

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Personnel (Original)

AWS A5 Committee on Filler Metal

D. J. Kotecki, Chair The Lincoln Electric CompanyR. A. LaFave, 1st Vice Chair Elliott Company

J. P. Hunt, 2nd Vice Chair Inco Alloys InternationalH. F. Reid, Secretary American Welding Society

B. E. Anderson AlcoTecK. E. Banks Teledyne McKayR. S. Brown Carpenter Technology Corporation

J. Caprarola, Jr. Alloy Rods Corporation*L. J. Christensen Consultant

R. J. Christoffel ConsultantD. A. DelSignore Westinghouse Electric Company

H. W. Ebert Exxon Research and EngineeringS. E. Ferree Alloy Rods CorporationD. A. Fink The Lincoln Electric Company

G. Hallstrom, Jr. USNRC-RII*R. L. Harris R. L. Harris Associates

R. W. Heid Newport News ShipbuildingD. C. Helton ConsultantW. S. Howes National Electrical Manufacturers Association

R. W. Jud Chrysler MotorsR. B. Kadiyala Techalloy Maryland, Incorporated

*P. A. Kammer Eutectic CorporationJ. E. Kelly Eutectic Corporation

G. A. Kurisky Maryland Specialty WireN. E. Larson Union Carbide, Industrial Gas Division

A. S. Laurenson ConsultantG. H. MacShane MAC Associates

D. F. Manning Hobart Brothers CompanyM. T. Merlo Tri-Mark, IncorporatedS. J. Merrick Teledyne McKay

**G. E. Metzger Air Force Materials LaboratoryJ. W. Mortimer Consultant

C. L. Null Department of the Navy*Y. Ogata Kobe Steel Limited

J. Payne Schneider Services InternationalR. L. Peaslee Wall Colmonoy Corporation

E. W. Pickering ConsultantM. A. Quintana General Dynamics Corporation

*S. D. Reynolds, Jr. Westinghouse Electric PGBUL. F. Roberts Canadian Welding Bureau

D. Rozet ConsultantP. K. Salvesen American Bureau of Shipping

*H. S. Sayre ConsultantO. W. Seth Chicago Bridge and Iron Company

*Advisor**Deceased

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*Advisor**Deceased

AWS A5 Committee on Filler Metals (Continued)

W. A. Shopp SAEM. S. Sierdzinski Alloy Rods Corporation

*R. W. Straiton Bechtel Group, IncorporatedR. D. Sutton L-Tec Welding and Cutting SystemsR. A. Swain Welders Supply

J. W. Tackett Haynes International IncorporatedR. D. Thomas, Jr. R. D. Thomas and Company

*R. Timerman Conarco, S. A.R. T. Webster Teledyne Wah Chang*A. E. Wiehe Consultant

**W.A. Wiehe Arcos AlloysW. L. Wilcox Consultant*F. J. Winsor Consultant

K G. Wold Aqua Chem, IncorporatedT. J. Wonder VSE Corporation

AWS Subcommittee on Magnesium Alloy Filler Metals

**G. E. Metzger, Chair Air Force Materials LaboratoryH. F. Reid, Secretary American Welding Society

*J. F. Brown Kaiser Aluminum and Chemical Corporation*A. T. D’Annessa AT & T Technologies

P. B. Dickerson Consultant

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Personnel (Reaffirmation)

AWS A5 Committee on Filler Metals and Allied Materials

D. A. Fink, Chair The Lincoln Electric Company J. S. Lee, 1st Vice Chair CB & I

H. D. Wehr, 2nd Vice Chair Arcos Industries LLCR. Gupta, Secretary American Welding Society

*R. L. Bateman Electromanufacturas S A J. M. Blackburn Department of The Navy

R. S. Brown RSB Alloy Applications LLCJ. C. Bundy Hobart Brothers Company

R. J. Christoffel ConsultantD. D. Crockett The Lincoln Electric Company

*R. A. Daemen La Grande TuiliereD. A. Delsignore Consultant

J. Devito ESAB Welding & Cutting ProductsH. W. Ebert Consulting Welding EngineerD. M. Fedor The Lincoln Electric Company

J. G. Feldstein Foster Wheeler North AmericaS. E. Ferree ESAB Welding & Cutting Products

G. L. Franke Naval Surface Warfare CenterR. D. Fuchs Bohler Thyssen Welding USA Incorporated

C. E. Fuerstenau Lucas-Milhaupt IncorporatedJ. A. Henning DeltakR. M. Henson J. W. Harris Company, Incorporated

*J. P. Hunt Specials MetalsM. Q. Johnson Los Alamos National Laboratory

S. D. Kiser Special MetalsP. J. Konkol Concurrent Technologies Corporation

D. J. Kotecki The Electric Company L. G. Kvidahl Northrop Grumman Ship Systems

A. S. Laurenson ConsultantK. F. Longden Canadian Welding BureauW. A. Marttila DaimlerChrysler Corporation

R. Menon Stoody CompanyM. T. Merlo Edison Welding InstituteD. R. Miller ABS Americas*B. Moiser Polymet CorporationC. L. Null Consultant

M. P. Parekh ConsultantR. L. Peaslee Wall Colmonoy Corporation

*M. A. Quintana The Lincoln Electric CompanyS. D. Reynolds, Jr. Consultant

P. K. Salvsesen Det Norske Veritas (DNV)K. Sampath Consultant

W. S. Severance ESAB Welding & Cutting Products*E. R. Stevens Stevens Welding ConsultingM. J. Sullivan NASSCO—National Steel & Shipbuilding

*Advisor

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*Advisor

*E. S. Surian National University of Lomas de ZamoraR. C. Sutherlin Wah Chang

R. A. Swain Euroweld, LimitedR. D. Thomas, Jr. R. D. Thomas and CompanyK. P. Thornberry Care Medical, Incorporated

*S. Tsutsumi Japanese Standards AssociationL. T. Vernam AlcoTec Wire Corporation*F. J. Winsor Consultant

AWS A5L Subcommittee on Magnesium Alloy Filler Metals

K. P. Thornberry, Chair Care Medical, IncorporatedR. Gupta, Secretary American Welding Society

*J. F. Brown, Jr. Kaiser Aluminum Specialty Products*A. T. D’Annessa Consultant

*R. D. Thomas, Jr. R. D. Thomas and Company

AWS A5 Committee on Filler Metals and Allied Materials (Continued)

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Foreword

This foreword is not a part of ANSI/AWS A5.19-92 (R2006), Specification for MagnesiumAlloy Welding Electrodes and Rods, but is included for informational purposes only.

This document represents the fourth revision or reaffirmation of the specification initially issued in 1966 as a jointASTM/AWS specification. Very soon after its publication, the ASTM agreed to accept the AWS as the sole societyresponsible for the development and publication of filler metals specifications.

In recent years, the AWS filler metal specifications have been recognized by the American National Standards Institute.The evolution of this specification is shown below:

ASTM B448-66T Tentative Specification for Magnesium-Alloy Welding Rods and Bare ElectrodesAWS A5.19-66T

AWS A5.19-69 Specification for Magnesium-Alloy Welding Rods and Bare ElectrodesANSI W3.19-1973

ANSI/AWS A5.19-80 Specification for Magnesium-Alloy Welding Rods and Bare Electrodes

ANSI/AWS A5.19-90 Specification for Magnesium-Alloy Welding Rods and Bare ElectrodesReaffirmation

Your comments for improving the Specification for Magnesium Alloy Welding Electrodes and Rods are welcome.Submit comments to the Managing Director, Technical Services Division, American Welding Society, 550 N.W. LeJeuneRoad, Miami, FL 33126; telephone (305) 443-9353; fax (305) 443-5951; e-mail [email protected]; or via the AWS web site<http://www.aws.org>.

Official interpretations of any of the technical requirements of this standard may be obtained by sending a request, inwriting, to the Managing Director, Technical Services Division, American Welding Society. A formal reply will beissued after it has been reviewed by the appropriate personnel following established procedures.


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Table of Contents

Page No.

Personnel ......................................................................................................................................................................vForeword .....................................................................................................................................................................ixTable of Contents.........................................................................................................................................................xiList of Tables ..............................................................................................................................................................xiiList of Figures.............................................................................................................................................................xii

1. Scope....................................................................................................................................................................1

Part A—General Requirements ...................................................................................................................................12. Classification.......................................................................................................................................................13. Acceptance ..........................................................................................................................................................14. Certification ........................................................................................................................................................15. Units of Measure and Rounding-Off Procedure .............................................................................................1

Part B—Tests, Procedures, and Requirements ............................................................................................................36. Summary of Tests...............................................................................................................................................37. Retest ...................................................................................................................................................................38. Weld Test Assemblies ........................................................................................................................................39. Chemical Analysis ..............................................................................................................................................5

10. Radiographic Test ..............................................................................................................................................511. Bead-on-Plate Test .............................................................................................................................................5

Part C—Manufacture, Identification, and Packaging..................................................................................................512. Method of Manufacture.....................................................................................................................................513. Standard Sizes ....................................................................................................................................................614. Finish and Uniformity .......................................................................................................................................615. Standard Package Forms ..................................................................................................................................616. Winding Requirements ......................................................................................................................................817. Filler Metal Identification .................................................................................................................................818. Packaging ............................................................................................................................................................819. Marking of Packages .........................................................................................................................................8

Appendix—Guide to AWS Specification for Magnesium Alloy Welding Electrodes and Rods .............................11A1. Introduction........................................................................................................................................................11A2. Classification System.........................................................................................................................................11A3. Acceptance .........................................................................................................................................................11A4. Certification .......................................................................................................................................................11A5. Ventilation During Welding...............................................................................................................................12A6. Welding Considerations .....................................................................................................................................12A7. Description and Use of Magnesium Alloy Electrodes and Rods.......................................................................12A8. Special Tests ......................................................................................................................................................13A9. General Safety Considerations...........................................................................................................................13

AWS Filler Metal Specifications and Related Documents ........................................................................................19

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List of Tables

Table Page No.

1 Chemical Composition Requirements for Magnesium Alloy Electrodes and Rods ......................................22 Required Tests................................................................................................................................................33 Base Metal for Test Assemblies.....................................................................................................................34 Standard Sizes ................................................................................................................................................75 Standard Packages, Dimensions, and Weights ..............................................................................................7Al Guide to the Choice of Filler Metal for General Purpose Welding .............................................................14

List of Figures

Figure Page No.

1 Groove Weld Test Assembly for Radiographic Test .....................................................................................42 Radiographic Acceptance Standards for Test Assemblies—Overhead Welding Position............................63 Radiographic Acceptance Standard for Test Assemblies—Flat Welding Position ......................................74 Dimensions of 4 in. (100 mm) Diameter Spool .............................................................................................95 Dimensions of 8 and 12 in. (200 and 300 mm) Diameter Spools ..................................................................96 Dimensions of 13-1/2 in. (340 mm) Diameter Spool...................................................................................10

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Specification forMagnesium Alloy Welding

Electrodes and Rods

1. See A3. Acceptance (in the Appendix) for further informa-tion concerning acceptance and testing of the material shipped.2. AWS standards are published by the American WeldingSociety, 550 N.W. LeJeune Road, Miami, FL 33126.

3. See A4. Certification (in the Appendix) for further informa-tion concerning certification and the testing called for to meetthis requirement.2. ASTM standards are published by the American Society ofTesting and Materials, 100 Barr Harbor Drive, West Consho-hocken, PA 19428-2959.

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Appendix

Guide to AWS Specification forMagnesium Alloy Welding Electrodes and Rods

This appendix is not a part of ANSI/AWS A5.19-92 (R2006), Specification for MagnesiumAlloy Welding Electrodes and Rods, but is included for informational purposes only.

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AWS Filler Metal Specifications and Related Documents

Designation Title

FMC Filler Metal Comparison Charts

IFS International Index of Welding Filler Metal Classifications

UGFM User’s Guide to Filler Metals

A4.2M/A4.2 Standard Procedures for Calibrating Magnetic Instruments to Measure the Delta Ferrite Content Austenitic andDuplex Ferritic-Austenitic Stainless Steel Weld Metal

A4.3 Standard Methods for Determination of the Diffusible Hydrogen Content of Martensitic, Bainitic, and FerriticSteel Weld Metal Produced by Arc Welding

A4.4M Standard Procedures for Determination of Moisture Content of Welding Fluxes and Welding Electrode Flux Coverings

A5.01 Filler Metal Procurement Guidelines

A5.1/A5.1M Specification for Carbon Steel Electrodes for Shielded Metal Arc Welding

A5.2 Specification for Carbon and Low Alloy Steel Rods for Oxyfuel Gas Welding

A5.3/A5.3M Specification for Aluminum and Aluminum-Alloy Electrodes for Shielded Metal Arc Welding

A5.4 Specification for Stainless Steel Electrodes for Shielded Metal Arc Welding

A5.5 Specification for Low-Alloy Steel Electrodes for Shielded Metal Arc Welding

A5.6 Specification for Covered Copper and Copper Alloy Arc Welding Electrodes

A5.7 Specification for Copper and Copper Alloy Bare Welding Rods and Electrodes

A5.8/A5.8M Specification for Filler Metals for Brazing and Braze Welding

A5.9 Specification for Bare Stainless Steel Welding Electrodes and Rods

A5.10/A5.10M Specification for Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods

A5.11/A5.11M Specification for Nickel and Nickel-Alloy Welding Electrodes for Shielded Metal Arc Welding

A5.12/A5.12M Specification for Tungsten and Tungsten-Alloy Electrodes for Arc Welding and Cutting

A5.13 Specification for Surfacing Electrodes for Shielded Metal Arc Welding

A5.14/A5.14M Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods

A5.15 Specification for Welding Electrodes and Rods for Cast Iron

A5.16/A5.16M Specification for Titanium and Titanium Alloy Welding Electrodes and Rods

A5.17/A5.17M Specification for Carbon Steel Electrodes and Fluxes for Submerged Arc Welding

A5.18/A5.18M Specification for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding

A5.19 Specification for Magnesium Alloy Welding Electrodes and Rods

A5.20/A5.20M Specification for Carbon Steel Electrodes for Flux Cored Arc Welding

A5.21 Specification for Bare Electrodes and Rods for Surfacing

A5.22 Specification for Stainless Steel Electrodes for Flux Cored Arc Welding and Stainless Steel Flux Cored Rods forGas Tungsten Arc Welding

A5.23/A5.23M Specification for Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding

A5.24/A5.24M Specification for Zirconium and Zirconium Alloy Welding Electrodes and Rods

A5.25/A5.25M Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Electroslag Welding

A5.26/A5.26M Specification for Carbon and Low-Alloy Steel Electrodes for Electrogas Welding

A5.28/A5.28M Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding

A5.29/A5.29M Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding

A5.30 Specification for Consumable Inserts

A5.31 Specification for Fluxes for Brazing and Braze Welding

A5.32/A5.32M Specification for Welding Shielding Gases


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