Type & Application
+
|
Type |
Application |
|
HW91 HW71 HW61 HW31 |
making filament, cathodes, setting rod at H.t., electrode etc. |
|
HW31 HW42 HW11 |
making lead, support, typing needle. |
Diameter Range
+
|
classification |
Dia (mm) |
|
|
Black tungsten rod |
swaged |
3.0- 13.5 |
|
|
straightened |
0.5- 3.0 |
|
Ground tungsten rod |
1.0- 13.5 |
|