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Lanthanated Tungsten Electrodes
Introduce: Description:
Characteristics:
Lanthanated Tungsten is a non-radioavtive material with good welding performance. Its electric conductivity is most closed to that of 2% Thoriated Tungsten. Welders can easily replace Thoriated Tungsten Electrodes with Lanthanated without any changes of welding program. In Europe and Japan, Lathanated Tungsten has been the most popular alternative to 2% Thoriated Tungsten for most applications. This tungsten is used primarily for DC welding but will also show good results for AC welding.Designation
Oxide Additive
Impurities Content
Tungsten Content
Color Sign
Category
Content%
WL10
La2O3
0.8-1.2
<0.20
Balance
Black
WL15
La2O3
1.3-1.7
<0.20
Balance
Golden yellow
WT20
La2O3
1.8--2.2
<0.20
Balance
Sky Blue
Product Standard:
ISO 6848 ANSI/AWS A5.12/A5.12M-98
Size:
Diameter: 0.5-25mm
Length: 150mm, 175mm, 178mm, any other length at customer request.
Recommended Tungsten Electrodes for Various Welding Currents
Diamter of Electrode
DC(A)
AC(A)
In
Mm
Straight Polarity(-)
Reverse Polarity(+)
Unbalanced Waves
Balanced Waves
0.04"
1.0
15-80
10-80
20-60
1/16"
1.6
60-150
10-18
50-120
40-100
0.079"
2.0
100-200
12-20
70-160
60-130
3/32"
2.4
150-250
15-25
80-200
80-150
1/8"
3.2
220-350
20-35
150-270
120-200
5/32"
4.0
350-500
35-50
220-350
170-260
3/16"
4.8
420-650
45-65
240-420
220-340
1/4"
6.4
600-900
65-100
360-560
250-450
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