TRANSMIG 350i, 450i, 550i
BASIC WELDING GUIDE 4-24 Manual 0-5205
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 4-8
NOTE
The Transmig 350i, 450i, 550i Inverter is not suited for AC Tig welding.
TIG Welding Filler Rods
Comweld
Rod
Aust Std AWS Std Part No.
1.6mm
Part No.
2.4mm
Part No.
3.2mm
Type/Application
LW1
LW1-6
Supersteel
R4
R6
R2
ER70S-4
ER70S-6
ER70S-2
321411
321417
321370
—
—
—
—
—
—
For mild-medium strength steels.
Pipes, tubing, roll cages, etc.
CrMo1
CrMo2
RB2
RB3
ER80S-B2
ER90S-B3
—
—
321379
321383
—
—
For welding of high strength Cr-Mo
steels used at elevated tempera-
tures.
308L
309L
316L
R308L
R309L
R316L
ER308L
ER309L
ER316L
321406
321403
321400
321407
321404
321401
—
—
—
For stainless steels. Stainless pipes,
tubing, architectural uses, etc.
Table 4-9
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