Choice Of Electrode - Cebora 553 Manuel D'instructions

5.8

Choice of electrode

Table 6
Name
W
WT20
WT30
WC20
WL20
3301230/A
Colour Description
Green PURE TUNGSTEN Particularly suitable for welding
light metals and metal alloys (aluminium)
Red 2% THORIATED TUNGSTEN
Optimum
ignition quality
Lilac 3% THORIATED TUNGSTEN Optimum ignition
quality, better than WT20
Grey 2% CERIATED TUNGSTEN Optimum durability, but
striking more difficult than with thoriated electrodes.
Blue 2% LANTHANUM ideal as a more durable
replacement for thoriated electrodes in automated
systems that weld stainless steel with direct current.
During use, the tip stays cleaner with no change to
the geometry
Process
AC/DC
DC
DC
AC/DC
DC
71/89