• AWS A2.4:2012
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AWS A2.4:2012

  • Standard Symbols for Welding, Brazing, Nondestructive Examination
  • standard by American Welding Society, 01/01/2012
  • Publisher: AWS


This standard presents a system for indicatingwelding, brazing, and nondestructive examination requirements.

The system includes provisions for the graphicalrepresentation of welds, brazes, and nondestructive examinationmethods with conventions for specifying, at aminimum, the location and extent of their application.Optional elements and supplementary symbols provide ameans for specifying additional requirements.

The figures included with the text are intended to showhow the correct format and applications of symbols maybe used to convey welding, brazing, and nondestructiveexamination information. They are not intended to representrecommended welding, brazing, nondestructiveexamination, or design practice.

The clause addressing brazing uses the same symbolsthat are used for welding. The clause on nondestructiveexamination symbols establishes the symbols to be usedon drawings to specify nondestructive examination fordetermining the suitability of components. The nondestructiveexamination symbols included in this standardrepresent nondestructive examination methods as discussedin the latest edition of AWS B1.10M/B1.10,Guide for the Nondestructive Examination of Welds. Definitionsand the details for the use of the various nondestructiveexamination methods are found in AWSB1.10M/B1.10.

The limitations included in specifications and codes arealso beyond the scope of this standard.

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