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Tungsten Electrodes Specifications Sheet 150mm--6"&175mm--7"
Published:2012-11-14 11:12:20    Text Size:【BIG】【MEDIUM】【SMALL
Summary:Tungsten Electrodes Specifications Sheet

Type Part # Size (150mm-&175mm) Applications Alloying Element Composition Materials Welded
Pure Tungsten
Forms a clean, balled end when heated and provides good arc stability for AC welding with a balanced or unbalanced squarewave or sine wave. WP040 0.040″ x 7″ (1.0 mm x 175 mm) AC None 99.5% Tungsten
0.5% Other
Aluminum
Magnesium
WP116 1/16″ x 7″ (1.6 mm x 175 mm)
WP332 3/32″ x 7″ (2.4 mm x 175 mm)
WP018 1/8″ x 7″ (3.2 mm x 175 mm)
WP532 5/32″ x 7″ (4.0 mm x 175 mm)
2% Ceriated Tungsten
Performs well in DC welding and arc starting at low current settings, and can be used proficiently in AC processes. WC040 0.040″ x 7″ (1.0 mm x 175 mm) DC
AC inverters
Cerium 97.3% Tungsten
1.8 – 2.20% Cerium
0.5% Other
Carbon Steel
Stainless Steel
Nickel Alloy
Titanium
WC116 1/16″ x 7″ (1.6 mm x 175 mm)
WC332 3/32″ x 7″ (2.4 mm x 175 mm)
WC018 1/8″ x 7″ (3.2 mm x 175 mm)
WC532 5/32″ x 7″ (4.0 mm x 175 mm)
1.5% Lanthanated Tungsten
Provides excellent arc starting, arc stability and re-ignition, and is less prone to tip wear. WL040 0.040″ x 7″ (1.0 mm x 175 mm) DC Lanthanum 97.80% Tungsten
1.30 – 1.70% Lanthanum
0.5% Other
Carbon Steel
Stainless Steel
Nickel Alloy
Titanium
WL116 1/16″ x 7″ (1.6 mm x 175 mm)
WL332 3/32″ x 7″ (2.4 mm x 175 mm)
WL018 1/8″ x 7″ (3.2 mm x 175 mm)
WL532 5/32″ x 7″ (4.0 mm x 175 mm)
2% Lanthanated (EWLa-2)
Substitute for 2% Thoriated. Similar characteristics to 1.5% Lanthanated with better arc starting, arc stability and less tip erosion. WL2040 0.040″ x 7″ (1.0 mm x 175 mm) DC
AC inverters
Lanthanum 97.3% Tungsten
1.8 – 2.2%
Lanthanum
0.5% Other
Carbon Steel
Stainless Steel
Nickel Alloy
Titanium
Aluminum
WL2116 1/16″ x 7″ (1.6 mm x 175 mm)
WL2332 3/32″ x 7″ (2.4 mm x 175 mm)
WL2018 1/8″ x 7″ (3.2 mm x 175 mm)
WL2532 5/32″ x 7″ (4.0 mm x 175 mm)
Rare Earth Tungsten (Non-Defined)
Combines the best of all alloying elements and provides excellent arc stability in AC or DC welding. WG040 0.040″ x 7″ (1.0 mm x 175 mm) DC
AC inverters
Cerium,
Lanthanum,
Yttrium,
Others
97.3% Tungsten
Balance: Cerium,
Lanthanum, Yttrium,
Others
All
WG116 1/16″ x 7″ (1.6 mm x 175 mm)
WG332 3/32″ x 7″ (2.4 mm x 175 mm)
WG018 1/8″ x 7″ (3.2 mm x 175 mm)
WG532 5/32″ x 7″ (4.0 mm x 175 mm)
2% Thoriated Tungsten
Offers good arc starting and is ideal for high current requirements. Also good for low-amperage AC applications using a modified point. WT040 0.040″ x 7″ (1.0 mm x 175 mm) DC Thorium 97.3% Tungsten
1.70 – 2.20% Thorium
0.5% Other
Carbon Steel
Stainless Steel
Nickel Alloy
Titanium
Copper
WT116 1/16″ x 7″ (1.6 mm x 175 mm)
WT332 3/32″ x 7″ (2.4 mm x 175 mm)
WT018 1/8″ x 7″ (3.2 mm x 175 mm)
WT532 5/32″ x 7″ (4.0 mm x 175 mm)
Zirconiated (EWZr-1)
Balls up easily in AC applications. Handles higher current with less splitting. Improved arc starts and arc stability. Offers minimal tungsten contamination. WZ040 0.040″ x 7″ (1.0 mm x 175 mm) AC Zirconium 98.6% Tungsten 0.7 – 0.9%
Zirconium 0.5% Other
Aluminum
Magnesium
WZ116 1/16″ x 7″ (1.6 mm x 175 mm)
WZ332 3/32″ x 7″ (2.4 mm x 175 mm)
WZ018 1/8″ x 7″ (3.2 mm x 175 mm)
WZ532 5/32″ x 7″ (4.0 mm x 175 mm)

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