Description:WT20:2% thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97

30% tungsten and 1

70 to 2

20% thorium

ost commonly used electrodes today and are preferred for their longevity and ease of use

WC20:2% ceriated tungsten electrodes (AWS classification EWCe-2) contain a minimum of 97

30% tungsten and 1

80 to 2

20% cerium

1

0/1

6mm for option10pcs/Boxfor Tig Welding MachineSpecification:Material: MetalColor: as shownPackage Includes:10 Pieces Tungsten Electrodes