KOVET- WL15 is lanthanated type tungsten with addition of 1.30-1.70% lanthan oxide content for TIG welding process.  It is similar performance to thoriated tungsten, easy arc starting, high current capacity and good arc stability, long lifetime than WT electrode for AC or DC welding.  It is best for welding of copper alloys, nickel alloys, titanium alloys, aluminum alloys, stainless steels and non-corroding steels.