TUNGSTEN BAR
Usual size
Model | Dia(mm) | Length(mm) | Composition | Welding Material |
WT10 WT20 WT30 WT40 | 1.0 | 150 or 175 |
ThO2 |
Carbon steel Stainless steel Copper Aluminum |
1.6 | 150 or 175 | |||
2.0 | 150 or 175 | |||
2.4 | 150 or 175 | |||
3.0 | 150 or 175 | |||
3.2 | 150 or 175 | |||
4.0 | 150 or 175 | |||
5.0 | 150 or 175 | |||
6.0 | 150 or 175 | |||
8.0 | 150 or 175 | |||
10.0 | 150 or 175 | |||
12.0 | 150 or 175 |
Cerium-Tungsten Electrodes
Trade mark | Added | Impurity | Other | Tungsten | Electric | Color |
WC20 | CeO2 | 1.80 - 2.20% | <0.20% | The rest | 2.7 - 2.8 | Grey |
Lanthanated Tungsten Electrodes
Trade mark | Added | Impurity | Other | Tungsten | Electric | Color |
WL10 | La2O3 | 0.80 - 1.20% | <0.20% | The rest | 2.6 - 2.7 | Black |
WL15 | La2O3 | 1.30 - 1.70% | <0.20% | The rest | 2.8 - 3.0 | Yellow |
WL20 | La2O3 | 1.80 - 2.20% | <0.20% | The rest | 2.8 - 3.2 | Sky blue |
Zirconiated Tungsten Electrodes
Trade mark | Added | Impurity quantity | Other | Tungsten | Electric | Color sign |
WZ3 | ZrO2 | 0.20 - 0.40% | <0.20% | The rest | 2.5 - 3.0 | Brown |
WZ8 | ZrO2 | 0.70 - 0.90% | <0.20% | The rest | 2.5 - 3.0 | White |
Thoriated tungsten
Trade mark | ThO2 Content(%) | Color sign |
WT10 | 0.90 - 1.20 | Primary |
WT20 | 1.80 - 2.20 | Red |
WT30 | 2.80 - 3.20 | Purple |
WT40 | 3.80 - 4.20 | Orange Primary |
Pure Tungsten Electrodes
Electrode Name | Trade | Added impurity | Impurity quantity | Other impurities | Tungsten | Electric discharged power | Color sign |
Pure Tungsten Electrode | WP | -- | -- | <0.20% | The rest | 4.5 | Green |
Yttrium-Tungsten Electrode | WY20 | YO2 | 1.80 - 2.20% | <0.20% | The rest | 2.0 - 3.9 | Blue |
Composite Electrode | WRex | ReOx | 1.00 - 4.00% | <0.20% | The rest | 2.45 - 3.1 |
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