AWS A5.27 Classification

AWS A5.27 is a specification set by the American Welding Society (AWS) for Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding. This specification outlines requirements for classifying solid and composite carbon steel electrodes and rods used in gas shielded arc welding, whether with or without external gas shielding.

The classification of electrodes and rods is based on their chemical composition. AWS A5.27 covers various aspects including scope, classification criteria, acceptance standards, certification requirements, units of measure, rounding procedures, summary of tests, retesting protocols, weld test assemblies, chemical analysis methods, manufacturing processes, standard sizes and shapes, surface finish and uniformity, standard packaging forms, winding requirements, and filler metal identification.




AWS A5 Series Code American Welding Society (AWS) Standard Title
AWS A5.1 Carbon Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.2 Carbon and Low-Alloy Steel Rods for Oxyfuel Gas Welding (OFW)
AWS A5.3 Aluminum and Aluminum Alloy Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.4 Stainless Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.5 Low-Alloy Steel Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.6 Copper and Copper-Alloy Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.7 Copper and Copper Alloy Bare Welding Rods and Electrodes
AWS A5.8 Filler Metals for Brazing and Braze Welding.
AWS A5.9 Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.10 Bare Aluminum and Aluminum-Alloy Welding Electrodes and Rods.
AWS A5.11 Nickel and Nickel Alloy Welding Electrodes for Shielded Metal Arc Welding (SMAW), Gas Tungsten Arc Welding (GTAW), and Plasma Arc Welding (PAW)
AWS A5.12 Tungsten and Tungsten Alloy Electrodes for Arc Welding and Cutting
AWS A5.13 Surfacing Electrodes for Shielded Metal Arc Welding (SMAW)
AWS A5.14 Nickel and Nickel-Alloy Bare Welding Electrodes and Rods
AWS A5.15 Welding Electrodes and Rods for Cast Iron
AWS A5.16 Titanium and Titanium Alloy Welding Electrodes and Rods
AWS A5.17 Carbon Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.18 Carbon Steel Electrodes and Rods for Gas Shielded Arc Welding (GMAW)
AWS A5.19 Magnesium Alloy Welding Electrodes and Rods
AWS A5.20 Carbon Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.21 Bare Electrodes and Rods for Surfacing
AWS A5.22 Stainless Steel Electrodes for Flux Cored Arc Welding (FCAW)
AWS A5.23 Low-Alloy Steel Electrodes and Fluxes for Submerged Arc Welding (SAW)
AWS A5.24 Zirconium and Zirconium-Alloy Electrodes and Rods for GTAW, GMAW, PAW (Plasma Arc Welding)
AWS A5.25 Specification for Carbon and Low-Alloy Steel Electrodes and Fluxes for Electroslag Welding (ESW)
AWS A5.26 Specification for Carbon and Low-Alloy Steel Electrodes for Electrogas Welding (EGW)
AWS A5.27 Specification for Carbon and Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.28 Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding
AWS A5.29 Specification for Low-Alloy Steel Electrodes for Flux Cored Arc Welding (FCAW)
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