Shaded Lenses should always be used in conjunction with a clear outer protection lens.
Available from Shade 9 to 13 for various welding and cutting applications.
If you are always using the same arc welding process on the same material, a fixed shade is sufficient.
|
Operation/Process
|
Arc Current (Amperes)
|
Minimum Protective Shade
|
Suggested* Shade No. (Comfort)
|
|
Shielded metal arc welding (SMAW)
|
Less than 60 60−160
160−250 250−550
|
7
8
10
11
|
10
12
14
|
|
Gas metal arc welding (GMAW) and flux cored arc welding (FCAW)
|
Less than 60 60−160
160−250
250−550
|
7
10
10
10
|
—
11
12
14
|
|
Gas tungsten arc welding (GTAW)
|
Less than 50 50−150
150−500
|
8
8
10
|
10
12
14
|
|
Air carbon arc cutting (CAC−A)
|
(Light) (Heavy)
|
Less than 500 500−1000
|
10
11
|
12
14
|
|
Plasma arc welding (PAW)
|
Less than 20 20−100
100−400
400−800
|
6
8
10
11
|
6 to 8
10
12
14
|
|
Plasma arc cutting (PAC)
|
Less than 20
20−40
40−60
60−80
80−300
300−400
400−800
|
4
5
6
8
8
9
10
|
4
5
6
8
9
12
14
|
