Tweco 300 ACDC Arcmaster - Manual (Page 43)

37
7.08 Welding Parameters for Aluminium
Table 7-7. AC TIG Welding Parameter
7.09 Welding Parameters for Steel
Base Metal
Thickness
DC Current
for Mild Steel
DC Current for
Stainless
Steel
Tungsten
Electrode
Diameter
Filler Rod
Diameter
(if required)
Argon Gas
Flow Rate
Liters/min
Joint Type
35-45 20-30 Butt/Corner 0.040”
1.0mm 40-50 25-35
0.040”
1.0mm
1/16”
1.6mm
5-7
Lap/ Fillet
45-55 30-45 Butt/Corner 0.045”
1.2mm 50-60 35-50
0.040”
1.0mm
1/16”
1.6mm
5-7
Lap/ Fillet
60-70 40-60 Butt/Corner
1/16”
1.6mm 70-90 50-70
1/16”
1.6mm
1/16”
1.6mm
7
Lap/ Fillet
80-100 65-85 Butt/Corner 1/8”
3.2mm 90-115 90-110
1/16”
1.6mm
3/32”
2.4mm
7
Lap/ Fillet
115-135 100-125 Butt/Corner 3/16”
4.8mm 140-165 125-150
3/32”
2.4mm
1/8”
3.2mm
10
Lap/ Fillet
160-175 135-160 Butt/Corner ¼”
6.4mm 170-200 160-180
1/8”
3.2mm
5/32”
4.0mm
10
Lap/ Fillet
Table 7-8. DC TIG Welding Parameters
Base Metal
Thickness
AC Current for
Aluminium
Tungsten
Electrode
Diameter
Filler Rod
Diameter
(if required)
Argon Gas Flow
Rate Liters/min Joint Type
30-45 Butt/Corner 0.040”
1.0mm 35-50
0.040”
1.0mm
1/16”
1.6mm
5-7
Lap/ Fillet
40-60 Butt/Corner 0.045”
1.2mm 45-70
0.040”
1.0mm
1/16”
1.6mm
5-7
Lap/ Fillet
60-85 Butt/Corner 1/16”
1.6mm 70-95
1/16”
1.6mm
1/16”
1.6mm
7
Lap/ Fillet
125-150 Butt/Corner
1/8”
3.2mm 130-160
3/32”
2.4mm
1/8”
3.2mm
3/32”
2.4mm
10
Lap/ Fillet
180-225 Butt/Corner 3/16”
4.8mm 190-240
1/8”
3.2mm
1/8”
3.2mm
10
Lap/ Fillet
240-280 Butt/Corner ¼”
6.4mm 250-320
3/16”
4.8mm
3/16”
4.8mm
13
Lap/ Fillet