Lanthanum Tungsten Electrode -Ⅰ
- Details
- Category: Tungsten Information
- Published on Wednesday, 05 August 2015 18:07
Lanthanum tungsten electrode (adding cerium oxide - La2O3 to tungsten) grade and standard
Grade |
Color sign |
Other impurities% |
Tungsten % |
dopant |
Doping amount % |
Electronic work function/ eV |
WL20 |
Sky blue |
<0.20% |
The rest |
La2O3 |
1.80~2.20 |
2.8~3.2 |
WL15 |
Golden |
1.30~1.70 |
2.8~3.0 |
|||
WL10 |
Black |
0.80~1.20 |
2.6~2.7 |
Common specification
Grade --- WL10
Length (mm): 150/175
Diameter (mm): 0.5 / 2.0 / 3.0 / 4.0 / 4.8 / 6.0 / 8.0 / 12.0, etc.
Ingredients: tungsten, La2O3
Welding materials: stainless steel, carbon steel, aluminum, copper and the like.
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