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Thoriated Tungsten Electrodes
Thoriated Tungsten is the most commonly used tungsten in America and some other countries and is a good general use tungsten. Especially, it performs well when overloaded with extra amperage. However,since it is a low-level radioactive hazard many users have switched to other alternatives. This tungsten is used primarily for DC welding of carbon & stainless steels, nickel alloys and titanium,etc..
Designation
Oxide Additive
Impurities Content%
Tungsten Content%
Color Sign
Category
Content%
WT10
ThO2
0.80-1.2
<0.20
Balance
Yellow
WT20
ThO2
1.70-2.20
<0.20
Balance
Red
WT30
ThO2
2.80-3.20
<0.20
Balance
Violet
WT40
ThO2
3.80-4.20
<0.20
Balance
Orange