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Recommended Shade Numbers
for Arc Welding and Allied Processes
0.5
2.5
10
1.0
5.0
Operation
SMAW
(Covered electrodes)
GMAW
(MIG)
GTAW
(TIG)
Air carbon
arc cutting
Plasma arc
cutting
Plasma arc
welding
Figure 1: Referenced From the CSA Z94.3 Standard
NOTES:
1. For other welding processes (e.g., laser welding, electron beam welding), consult your safety
manager or the manufacturer for eye protection recommendations.
2. For pulsed GMAW (MIG), use peak current for selecting the appropriate shade number.
Tigerhood Book.indb 3
Current in amperes
40
80
125
20
175
30
60
100
150
15
7
8
7
10
8
8
10
8
225
275
350
450
200
300
250
400
500
10
11
10
10
10
9
10
10
11
GB_AU_NZ-3
3/14/13 4:36 PM
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