纯钨电极wp不添加任何稀土氧化物，电子发射能力最小，所以只适合于交流大负荷条件下的焊接，如铝和铝镁合金的焊接等。
Pure Tungsten electrode: do not add any rare earth oxides, the electron emission capability is the smallest, so it suits for AC welding of heavy load conditions only, such as aluminum and magnesium alloy welding.
牌号、成份、色标、逸出功
Tradeitional Markers，Compositions，Color Sign And Discharged Power
|
牌号 |
掺杂质 |
掺杂量% |
其它杂质量% |
钨% |
电子逸出功 |
色标 |
|
|
Trade mark |
Added |
Impurity |
Other |
Tungsten |
Electric |
Color |
|
|
impurity |
% |
Impurities% |
% |
discharged |
sign |
||
|
|
|
|
|
|
power |
|
|
|
WP |
_____ |
_____ |
＜0.20 |
余量 |
4.5 |
||
|
|
|||||||
|
The rest |
绿Green |
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|
|
|
|
|
|