Thoriated Tungsten Electrode
The comprehensive performance of thoriated tungsten is very good. The electron emission is strong and the electron work function is 2.7eV. what is more ,with high current load ability,stable arc thoirated tungsten electrode can bear long-term welding.It is very often been used for D.C.welding of carbon steel stainless steel ,nickel alloy and titanium alloy.
Tape |
Mark |
Oxide |
Content% |
Other Impurity content |
Tungsten% |
Color |
|
Thoriated Tungsten Electrode |
WT10 |
Tho2 |
0.7~0.9 |
<0.20 |
REST |
YELLOW |
|
WT20 |
1.8~2.4 |
<0.20 |
REST |
RED |
||
|
WT30 |
2.8~3.2 |
<0.20 |
REST |
PURPLE |
||
|
WT40 |
3.8~4,1 |
<0.20 |
REST |
ORANGE |
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