| |
| WTh(Thoriated tungsten) 钍钨电极 |
Trade
mark |
Added
impurity |
Lmpurity
quantity |
Color sign |
WT10 |
ThO2 |
0.90-1.20 |
Primary 黄 |
WT20 |
ThO2 |
1.80-2.20 |
Red 红 |
WT30 |
ThO2 |
2.80-3.20 |
Purple 紫 |
WT40 |
ThO2 |
3.80-4.20 |
Orange Primary 桔黄 |
|
| |
| WP（Pure Tungsten Electrode） 纯钨电极 |
Trade
mark |
Added
impurity |
Impurity
quantity |
Other
impurities |
Tungsten |
Electric
discharged
power |
Color sign |
WP |
-- |
-- |
<0.20% |
Therest |
4.5 |
Green 绿 |
|
| |
| WCe(Cerium-Tungsten Electrode) 铈钨电极 |
Trade
mark |
Added
impurity |
Impurity
quantity |
Other
impurities |
Tungsten |
Electric
discharged
power |
Color sign |
WC20 |
CeO2 |
1.80-2.20% |
<0.20% |
The rest |
2.7-2.8 |
Grey 灰 |
|
| |
| WLa(LanthanatedTungsten Electrode) 镧钨电极 |
Trade
mark |
Added
impurity |
Impurity
quantity |
Other
impurities |
Tungsten |
Electric
discharged
power |
Color sign |
WL10 |
La2O3 |
0.80-1.20% |
<0.20% |
The rest |
2.6－2.7 |
Black 黑 |
WL15 |
La2O3 |
1.30-1.70% |
<0.20% |
The rest |
2.8－3.0 |
Yellow 金黄 |
WL20 |
La2O3 |
1.80-2.20% |
<0.20% |
The rest |
2.8－3.2 |
Sky blue 天蓝 |
|
| |
| WZr(Zirconiated Tungsten Electrode) 锆钨电极 |
Trade
mark |
Added
impurity |
Impurity
quantity |
Other
impurities |
Tungsten |
Electric
discharged
power |
Color sign |
WZ3 |
Zro2 |
0.20 - 0.40% |
<0.20% |
The rest |
2.5－3.0 |
Brown 棕 |
WZ8 |
Zro2 |
0.70 - 0.90% |
<0.20% |
The rest |
2.5－3.0 |
White 白 |
|
| |
|
| |
