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Document AWS A2.4 is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
You may also purchase this document alone from the IHS Standards Store.
AWS A2.4 Document Information:
Title
Standard Symbols for Welding, Brazing, and Nondestructive Examination
American Welding Society
Publication Date:
Jan 1, 2007
Scope:
This standard presents a system for indicating welding, brazing,
and nondestructive examination requirements. The system includes
provisions for the graphical representation of welds, brazes, and
nondestructive examination methods with conventions for specifying,
at a minimum, the location and extent of their application.
Optional elements and supplementary symbols provide a means for
specifying additional requirements.
The figures included with the text are intended to show how the
correct format and applications of symbols may be used to convey
welding, brazing, and nondestructive examination information. They
are not intended to represent recommended welding, brazing,
nondestructive examination, or design practice.
The section addressing brazing uses the same symbols that are
used for welding. The section on nondestructive examination symbols
establishes the symbols to be used on drawings to specify
nondestructive examination for determining the suitability of
components. The nondestructive examination symbols included in this
standard represent nondestructive examination methods as discussed
in the latest edition of the AWS publication AWS B1.10, Guide
for the Nondestructive Examination of Welds. Definitions and
the details for the use of the various nondestructive examination
methods are found in AWS B1.10.
For illustrative purposes, this standard makes use of both U.S.
Customary and the International System of Units (SI). Examples
featuring each system appear throughout the document.
Safety and health issues and concerns are beyond the scope of
this standard, and therefore are not fully addressed herein. Safety
and health information is available from other sources, including,
but not limited to, ANSI Z49.1, Safety in Welding, Cutting, and
Allied Processes, and applicable federal and state
regulations.
The limitations included in specifications and codes are also
beyond the scope of this standard.
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