AWS A5.18/A5.18M:2005
An American National Standard

Specification for
Carbon Steel
Electrodes
and Rods for
Gas Shielded
Arc Welding

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AWS A5.18/A5.18M:2005
An American National Standard

Key Words —Carbon steel welding electrodes, carbon steel welding rods, gas metal arc welding, gas tungsten arc welding, metal cored electrodes, plasma arc welding, stranded electrodes

Approved by
American National Standards Institute
June 9, 2005

Specification for
Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding
Supersedes AWS A5.18/A5.18M:2001

Prepared by
AWS A5 Committee on Filler Metals and Allied Materials
Under the Direction of
AWS Technical Activities Committee
Approved by
AWS Board of Directors

Abstract
This specification prescribes the requirements for classification of solid carbon steel electrodes and rods, composite stranded carbon steel electrodes, and composite metal cored carbon steel electrodes for gas shielded arc welding. Classification is based on chemical composition of the electrode for solid electrodes and rods, chemical composition of weld metal for composite stranded and composite metal cored electrodes and the as-welded mechanical properties of the weld metal for each. Additional requirements are included for manufacture, sizes, lengths, and packaging. A guide is appended to the specification as a source of information concerning the classification system employed and the intended use of the electrodes and rods.
This specification makes use of both U.S. Customary Units and the International System of Units (SI). Since these units are not equivalent, each system must be used independently of the other.