Item: Pure tungsten filament
Purity: 99.95%Min
Type: HW91/HW71/HW61/HW31/HW11 etc.
Size: According to customer's drawing and true sample.
Tungsten electrode is for the apprication of welding, We are a manufacture of Tungsten electrode: WP. WC10. WC15. WC20^
| Name of electrode |
Color sign |
Chemical Composition(%) |
Diameter(mm) |
Surface |
| Rare earths |
Impurity |
Tungsten |
| Pure tungsten |
Green |
-- |
≤ 0.05 |
Remaining |
0.6_ 25 |
Ground |
| Ceium-tungsten |
Gray |
1.8→ 2.5 |
≤ 0.05 |
Remaining |
0.8_ 12 |
Ground |
| Lanthanated-tungsten |
Blue |
1.5→ 2.0 |
≤ 0.05 |
Remaining |
0.8--12 |
Ground |
Audited Supplier 
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