Specifications
high quality tungsten electrode1. various type for selection
2. fast delivery
fessional service and best price
| Chemical composition requirements for tungsten electrodes | |||||
| Classification symbol | chemical composition requirements | Color | |||
| Oxide addition | Impurities,mass percent | Tungsten Mass percent | |||
| Principal oxide | Mass percent | ||||
| WP | None | N.A.b | 0.5 MAX | 99.5 MIN | Green |
| WCe 20 | CeO2 | 1.8 to 2.2 | 0.5 MAX | Balance | Grey |
| WLa 10 | La2O3 | 0.8 to 1.2 | 0.5 MAX | Balance | Black |
| WLa 15 | La2O3 | 1.3 to 1.7 | 0.5 MAX | Balance | Gold |
| WLa20 | La2O3 | 1.8 to 2.2 | 0.5 MAX | Balance | Blue |
| WTh 10 | ThO2 | 0.8 to 1.2 | 0.5 MAX | Balance | Yellow |
| WTh 20 | ThO2 | 1.7 to 2.2 | 0.5 MAX | Balance | Red |
| WTh 30 | TnO2 | 2.8 to 3.2 | 0.5 MAX | Balance | Violent |
| WZr 3 | ZrO2 | 0.15 to 0.50 | 0.5 MAX | Balance | Brown |
| WZr 8 | ZrO2 | 0.7 to 0.9 | 0.5 MAX | Balance | White |




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