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AWS A5.12 : 1992

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

TUNGSTEN AND TUNGSTEN ALLOY ELECTRODES FOR ARC WELDING AND CUTTING, SPECIFICATION FOR
Superseded date

02-05-1998

Published date

11-23-2012

Personnel
Foreword
1 Scope
Part A - General requirements
2 Classification
3 Acceptance
4 Certification
5 Units of measure and rounding-off procedure
Part B - Test procedures, and requirements
6 Summary of tests
7 Retest
8 Chemical analysis
Part C - Manufacture, identification, and packaging
9 Method of manufacture
10 Standard sizes
11 Finish and uniformity
12 Standard package form
13 Electrode identification
14 Packaging
15 Marking of packages
Appendix - Guide to AWS specification for tungsten and
           tungsten alloy electrodes for arc welding and
           cutting
A1 Introduction
A2 Classification
A3 Acceptance
A4 Certification
A5 Ventilation during welding
A6 Operation characteristics
A7 Description and intended use of electrodes
A8 General recommendations
A9 Discontinued classifications
AWS filler metal related documents
Tables
1 Chemical composition requirements for electrodes
2 Standard sizes
3 Electrode identification requirements
A1 Typical current ranges for tungsten electrodes
Figure
1 Measurement procedure for straightness

92 VERSION CONTAINED IN ASME PV CODE 2C AS SFA-5.12 Gives the requirements for the classification of bare tungsten and tungsten alloy electrodes for gas tungsten arc welding and cutting and plasma arc welding and cutting. Classification is based upon the chemical composition of the electrode. Standard sizes finish, lengths, quantities, product identification, color coding and chemical composition limits are specified.

DocumentType
Standard
PublisherName
American Welding Society
Status
Superseded
SupersededBy

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