Impax IM-TIG200 Instruction Manual page 38

TIG OPERATION
Tungsten Electrode Types
Electrode Type
(Ground Finish)
Thoriated 2%.
Zirconated 1%
Ceriated 2%
Welding Rate
Base Metal DC Current DC Current Tungsten
Thickness for Mild
Steel
1.0mm 35-45
40-50
1.2mm 45-55
50-60
1.6mm 60-70
70-90
3.2mm 80-100
90-115
4.8mm 115-135
140-165
6.4mm 160-175
170-200
Welding Application
DC welding of mild
steel, stainless steel
and copper.
High quality AC
welding of aluminium,
magnesium and their
alloys.
AC & DC welding of
mild steel, stainless
steel, copper,
aluminium,
magnesium and their
alloys
for Stainless Electrode
Steel Diameter
20-30 1.0mm
25-35
30-45 1.0mm
35-50
40-60 1.6mm
50-70
65-85 1.6mm
90-110
100-125 2.4mm
125-150
135-160 3.2mm
160-180
Features
Excellent arc starting,
Long life, High current
carrying capacity.
Self cleaning, Long
life, Maintains balled
end, High current
carrying capacity.
Longer life, More
stable arc, Easier
starting, Wider current
range, Narrower more
concentrated arc.
Filler Rod
Diameter (if Flow Rate
required)
1.6mm
1.6mm
1.6mm
2.4mm
3.2mm
4.0mm
37
Colour Code
Red
White
Grey
Argon Gas Joint Type
Litres/min
5-7 Butt/Corner
Lap/Fillet
5-7 Butt/Corner
Lap/Fillet
7 Butt/Corner
Lap/Fillet
7 Butt/Corner
Lap/Fillet
10 Butt/Corner
Lap/Fillet
10 Butt/Corner
Lap/Fillet