استاندارد AWS A3.0

اصطلاحات و تعاریف جوشکاری

(نسخه 2010)

160 صفحه

Standard Welding Terms and Definitions
Including Terms for Adhesive Bonding, Brazing,
Soldering, Thermal Cutting, and Thermal Spraying

Scope
The purpose of this document is to establish standard
terms and definitions to aid in the communication of
information related to welding, adhesive bonding, brazing, soldering, thermal cutting, and thermal spraying.
The standard terms and definitions published in this document should be used in the oral and written language
associated with these related processes.
Whenever A3.0 is mentioned in this document, it refers to the latest edition, A3.0M/A3.0:2010.
When terms from A3.0 are included in the glossary of other documents, it is intended that the definitions be identical to those in A3.0, except that the references may
be changed if appropriate.

It is one of the goals of the Definitions Subcommittee that A3.0 encompass all terms, not adequately defined in
the dictionary, directly related to welding or allied fields.
Both standard and nonstandard jargon, as well as dialect and vernacular terms, are accepted for inclusion in A3.0.
Since this document is a comprehensive compilation of terminology, nonstandard terms are included with crossreferences to the corresponding standard terms. Boldface type indicates standard terms, lightface type indicates
nonstandard terms. Terms for standard welding processes
and for standard welding process variations are followed
by their standard letter designations.
For the user’s convenience, a vertical line in the margin next to a term indicates that a revision, i.e., modification, addition, or correction, has been made. A single line denotes a minor change to an existing definition. A double line denotes a new term or a major change. Terms for standard processes and standard process variations are followed by their standard letter designation. All terms are arranged in word-by-word alphabetical sequence.

The principles applied by the Definitions Subcommittee
for the creation of terms and definitions in A3.0 are described in Informative Annex C.
This standard makes use of both the International System
of Units (SI) and U.S. Customary Units. The latter are shown within brackets ([ ]) or in appropriate columns
in tables and figures. The measurements may not be exact equivalents; therefore, each system must be used
independently.
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

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