Tungsten Electrodes Comparison -Ⅰ
- Details
- Category: Tungsten Information
- Published on Wednesday, 19 August 2015 18:59
Pure tungsten electrode is one of the types of tungsten electrodes. When compared with other types of tungsten electrodes, such as, thoriated tungsten electrode and lanthanum tungsten electrode, it can show their commons and differences. There are some points comparing in this article, such as, grade, color sign, surface and so on.
|
Type |
Tungsten electrode |
|||||||
|
Pure |
Thoriated |
Lanthanated |
||||||
|
Grade |
WP |
WT10 |
WT20 |
WT30 |
WT40 |
WLa10 |
WLa15 |
WLa20 |
|
Color |
Green |
Yellow |
Red |
Purple |
Orange |
Black |
Golden |
Blue |
|
Dopant |
- |
ThO2 |
ThO2 |
ThO2 |
ThO2 |
La2O3 |
La2O3 |
La2O3 |
|
Dopant content％ |
- |
0.9~1.1 |
1.8~2.2 |
2.8~3.2 |
3.8~4.2 |
0.8~1.2 |
1.3~1.7 |
1.8~2.2 |
|
Impurities(max) |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
0.05 |
|
Tungsten |
The rest |
The rest |
The rest |
The rest |
The rest |
The rest |
The rest |
The rest |
|
Size(mm) |
0.8-15 |
0.8-15 |
0.8-15 |
0.8-15 |
0.8-15 |
0.8-15 |
0.8-15 |
0.8-15 |
|
Surface |
G,S,E,D |
G,S,E,D |
G,S,E,D |
G,S,E,D |
G,S,E,D |
G,S,E,D |
G,S,E,D |
G,S,E,D |
NOTE: G refers to Ground, S refers to Swaged, E refers to electrolytic polished, and D refers to as drawn.
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