Swagelok Series 5 Bedienungsanleitung Seite 9

Electrode Geometry
This illustration shows the electrode shape Swagelok suggests.
Properly ground electrodes provide consistent, repeatable
welds. Pre-ground electrodes are available from your Swagelok
representative. See your parts list for ordering information.
The electrode part numbers are assigned as follows:
CWS – X . ### – # .### – P
Electrode
Diameter
Material Designator
C = Ceriated
The ceriated electrode material type is a mixture of 98 %
tungsten and 2 % cerium and is commonly referred to as
"2 % ceriated." This electrode type has demonstrated
improved arc starting performance over the 2 % thoriated type,
particularly when using purified shielding gas.
Package
Designator
Electrode
Diameter
Series 5 Weld Head User's Manual
Figure 6 Tungsten Electrode
9