33
VIPER MIG 135
OPERATING MANUAL
12.5 TIG Tungsten Selection Guide
12.6 Tungsten Electrodes Rating for Welding Currents
Tungsten Diameter (mm)
Diameter at the Tip (mm)
Constant Included Angle
(°)
Current Range (Amps)
Current Range (Pulsed
Amps)
1.0mm
0.25
20
5 - 30
5 - 60
1.6mm
0.5
25
8 - 50
5 - 100
1.6mm
0.8
30
10 - 70
10 - 140
2.4mm
0.8
35
12 - 90
12 - 180
2.4mm
1.1
45
15 - 150
15 - 250
3.2mm
1.1
60
20 - 200
20 - 300
3.2mm
1.5
90
25 - 250
25 - 350
LANTHANATED
(GOLD)
ZIRCONIATED
(WHITE)
THORIATED
(RED)
E3
(TURQUOISE)
CERIATED
(GREY)
AC CURRENT
DC CURRENT
ALUMINIUM
MILD STEEL
STAINLESS STEEL
TITANIUM /
COPPER ALLOYS
ARC IGNITION
TUNGSTEN LIFE
ARC STABILITY
RESISTANCE TO
CONTAMINATION
AC PERFORMANCE
N/A
TIG TUNGSTEN SELECTION GUIDE
This information is intended to act as a guide only, individual results may vary depending on technique, skill and material.
TIG: Welding Guide