Tweco 175i Transtig - Manual (Page 63)

TRANSMIG 175i
Manual 0-5143 4-25 BASIC WELDING GUIDE
Tungsten Electrode Types
Electrode Type
(Ground Finish)
Welding Application Features Colour Code
Thoriated 2%
DC welding of mild
steel, stainless steel
and copper
Excellent arc starting,
Long life, High current
carrying capacity
Red
Zirconated 1%
High quality AC weld-
ing of aluminium,
magnesium and their
alloys.
Self cleaning, Long
life, Maintains balled
end, High current car-
rying capacity.
White
Ceriated 2%
AC & DC welding of
mild steel, stainless
steel, copper, alumin-
ium, magnesium and
their alloys
Longer life, More
stable arc, Easier
starting, Wider current
range, Narrower more
concentrated arc.
Grey
Table 4-9
NOTE
The Transmig 175i Inverter is not suited for AC Tig welding.