TIG Tungsten Electrodes
Shop TIG (GTAW) tungsten electrodes from Best Welds, TIG Star and Weldcraft in 0.040", 1/16", 3/32", 1/8" and 5/32" diameters, 7" length. Choose by process (AC or DC), base metal and machine type using the comparison below.
Tungsten type comparison
| Type | AWS A5.12 | Color | AC / DC | Best for |
|---|---|---|---|---|
| 2% Thoriated | EWTh-2 | Red | DC | Carbon steel, stainless, nickel, titanium (radioactive) |
| 2% Lanthanated | EWLa-2 | Blue | AC & DC | Most common thorium-free replacement for 2% Thoriated |
| 1.5% Lanthanated | EWLa-1.5 | Gold | AC & DC | Steel, stainless and aluminum; close match to thoriated |
| 2% Ceriated | EWCe-2 | Gray | AC & DC | Low-amperage, thin sheet, small parts, orbital |
| E3 / Rare Earth | EWG | Purple (E3) | AC & DC | One electrode for mixed AC/DC work on inverter machines |
| Pure | EWP | Green | AC | Aluminum and magnesium on transformer machines |
| Zirconiated | EWZr-1 | Brown | AC | Aluminum and magnesium; stable balled tip |
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