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Types of Tungsten

08% ZIRCONIATED (WHITE) EWZr-8/WZ8
08% ZIRCONIATED (WHITE) EWZr-8/WZ8

0.8% Zirconiated 1/8" x 7" (White, WZ8) Tungsten Electrodes 10-Pack Midwest Tungsten Service. $30.99 ... White Type: 0.8% Zirconiated Chemical Classification Symbol: WZ8

15% LANTHANATED (GOLD) EWLa-15/WL15
15% LANTHANATED (GOLD) EWLa-15/WL15

Wolfram Tungsten Electrodes; Tungsten ... (Gold, WL15) Tungsten Electrodes 10-Pack ... this ten pack of EWLa-1.5 gold 1.5% lanthanated 1/16" x 7" TIG welding ...

image: ebay.com
2% CERIATED (GREY) (Formerly Orange) EWCe-2/WC20
2% CERIATED (GREY) (Formerly Orange) EWCe-2/WC20

A-EWCe-2 (select size from drop down menu above) Amplify™ Brand High-performance, 2% Ceriated Tungsten Electrodes. Description: Good for low amperage, DC orbital tube, pipe, thin sheet, and small part applications, this non-radioactive formula offers low current capacity, low arc ignition, and good arc stability.

source: arc-zone.com
2% THORIATED (RED) EWTh-2/WT20
2% THORIATED (RED) EWTh-2/WT20

The 2% thoriated tig welding tungsten electrode is ... (Red, WT20) Tungsten Electrodes 10 ... this ten pack of EWTh-2 red 2% thoriated 1/8" x 7" TIG welding ...

image: alexnld.com
Blue: 2% Lanthanated (AC and DC)
Blue: 2% Lanthanated (AC and DC)

2% Blue lanthanated tig welding tungsten electrodes are popular due to the relative ease of striking an arc and lower amperage required. They perform exceptionally well in both AC & DC applications.

Gold 15 Lanthanated (AC and DC)
Gold 15 Lanthanated (AC and DC)

Lanthanated tungsten maintains a sharpened point well, which is an advantage for welding steel and stainless steel on DC or AC from square wave power sources. Unlike thoriated tungsten, these electrodes are suitable for AC welding and, like ceriated electrodes, allow the arc to be started and maintained at lower voltages.

Green: Pure Tungsten (DC Only)
Green: Pure Tungsten (DC Only)

Blue: 2% lanthanated (AC and DC) Gold 1.5 lanthanated (AC and DC) Red: 2% thoriated (DC only) Green: pure tungsten (DC only) Don’t use green on the AC side since pure tungsten will ball up, especially if you’re using an inverter. Some welders have a particular favorite kind of tungsten. They may swear by thoriated or pure tungsten.

source: bakersgas.com
image: ebay.com
Red: 2% Thoriated (DC Only)
Red: 2% Thoriated (DC Only)

The most commonly used tungsten in the United States. This tungsten is used primarily in DC welding. It has a low work function and provides a high load and amperage capability. The health safety issue of 2% Thoriated tungsten has recently raised concerns regarding inhalation and disposal of the Thorium. Wolfram & Standard material only.

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