3.8 Fundamental Concepts of Welding Symbols
3.8.1 Weld Symbols, Supplementary Symbols, Welding Symbols
Definitions
In welding symbols terminology, there are several standard terms in common use. A clear
understanding of these terms is very important to have any meaningful dialogue involving welding
symbols.
These terms are: a) weld symbols
b) supplementary symbols
c) welding symbols
The definition of these terms and their interrelationship are described as follows:
a) Weld symbol is a term used explicitly to designate a specific type of weld. The pertinent types
of welds considered under the governing AWS A2.4 specification for “Symbols for Welding,
Brazing and Nondestructive Examination” and the basic weld symbols are shown in Figure
3.25. Weld symbols such as these form an integral part of any typical welding symbol.