This document presents recommended practices for the gas tungsten arcwelding (GTAW)process.(Footnote 1) Its purpose is to provide a fundamentalexplanation of the process, describebasic practices and concepts, and outline some advanced methods andapplications of GTAW. Theseshould enable welding personnel to determine the best applications ofthis process and evaluate itsuse compared with other joining processes.
The section covering principles of operation will help the readerunderstand how the process works,the general types of equipment needed, and the advantages andlimitations of the gas tungsten arcwelding process. The basic concepts and practices include both generaland specific recommendationsand technical data for equipment, consumables, procedures, variables,applications, and safetyconsiderations.
This standard makes use of U.S. Customary Units. Approximatemathematical equivalents in theInternational System of Units (SI) are provided for comparison inbrackets [ ] or in appropriatecolumns in tables and figures.
Footnote 1. – Gas tungsten arc welding is defined as an arc weldingprocess that uses an arcbetween a tungsten electrode (nonconsumable) and the weld pool. Theprocess is used with shieldinggas and without the application of pressure. (Ref. AWS A3.0, StandardWelding Terms andDefinitions.)
- Edition:
- 03
- Published:
- 01/01/2003
- ANSI:
- ANSI Approved
- Number of Pages:
- 131
- File Size:
- 1 file , 35 MB
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