Tweco 175 TE Arcmaster - Manual (Page 34)

arc master 175 te oPeration
Operation 4-6 Manual 0-5116
4.11 TIG Welding Parameters for Steel
Base
Metal
DC Current Electrode
Diameter
Filler Rod
Diameter
Argon Gas
Flow Rate
Joint
Type
Mild
Steel
Stainless
Steel
0.040”
(1.0mm)
35-45 20-30 0.040”
(1.0mm)
1/16”
(1.6mm)
10 CFH
(5 LPM)
Butt/Corner
40-50 25-35 Lap/Filler
0.045” 45-55 30-45 0.040”
(1.0mm)
1/16”
(1.6mm)
13 CFH
(6 LPM)
Butt/Corner
50-60 35-50 Lap/Filler
1/16”
(1.6mm)
60-70 40-60 1/16”
(1.6mm)
1/16”
(1.6mm)
15 CFH
(7 LPM)
Butt/Corner
70-90 50-70 Lap/Filler
1/8”
(3.2mm)
80-100 65-85 1/16”
(1.16mm)
3/32”
(2.4mm)
15CFH
(7 LPM)
Butt/Corner
90-115 90-110 Lap/Filler
3/16”
(4.8mm)
115-135 100-125 3/32”
(2.4mm)
1/8”
(3.2mm)
21 CFH
(10 LPM)
Butt/Corner
140-165 125-150 Lap/Filler
1/4”
(6.4mm)
160-175 135-160 1/8”
(3.2mm)
5/32”
(4.0mm)
21 CFH
(10 LPM)
Butt/Corner
170-200 160-180 Lap/Filler
4.12 Arc Welding Practice
The techniques used for arc welding are almost identical regardless of what types of metals are being joined.
Naturally enough, different types of electrodes would be used for different metals as described in the preceding
section.