black tungsten

Tungsten rods, Tungsten electrodes, Wolfram rods, Wolfram electrodes, Wolfram bars, Tungsten bars. Tungsten; WT10,WT20,WT30,WT40,WZ3,WZ8,WL10,WC20,WP,WL20/WL15

Characteristics: WT20

This tungsten is used primarily for DC welding of carbon & stainless steels, nickel alloys and titanium,etc..

since it is a low-level radioactive hazard many users have switched to other alternatives. 

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