TIG/Electrode Rods Page 2 - Airgas.com

Welding Help
TIG Electrode/Rod Classification Systems
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Designation System for Aluminum Alloys
Alloy SeriesPrinciple Alloying Element
4XXXSilicon
5XXXMagnesium












Designation System for Stainless Steel
SuffixAdditional Requirements
LHas a lower carbon content
LSiHigher silicon, lower carbon content