wl-20 blue lanthanum 2% tungsten electrode
Delivery, price
The electrodes offered are certified. The technical documentation includes data on the chemical composition and the limiting percentage of impurities. The supplier " Evek GmbH ", supplies wl-20 blue tungsten electrode in standard sizes at an affordable price in the shortest possible time from stock. The price corresponds to the high quality of the product.
Physical properties of tungsten
| Characteristic | Value |
|---|---|
| Density [g/cm3] | 19,3 |
| Covalent radius, pm | 170 |
| Melting point | 3695°K (3422°C, 6192°F) |
| Electronegativity (by Pauling) | 2,3 |
| Electrode potential, V | W ← W3+ 0.11; W ← W6+ 0.68 |
| Oxidation states | 6, 5, 4, 3, 2, 0 |
Marking
The blue coding indicates that the tungsten electrodes are alloyed with 1.8-2.2% lanthanum dioxide.
Electrode parameters
| Electrode brand | Diameter, mm | Tolerance, mm | Length, mm | Tolerance, mm |
|---|---|---|---|---|
| wl-20 | 1, 1.6, 2, 2.5, 3, 4 | ±0.1 | 75; 150; 200 |
±2.0 |
| 5, 6 |
±0.1 | 75; 150; 200 |
±2.0 |
Technical features
Lanthanum additive ensures easy ignition of arc. For protection: inert argon, helium and active oxygen, hydrogen, carbon dioxide, nitrogen or their mixtures (Ne+Ag, O2+Ag, CO2+Ag) are used.
Welding
joining of high-alloyed steel, thin sheets, cladding on valves, molds, cutting aluminium, copper, bronze and high-alloyed steels.
Quality requirements
Electrode surface - ground, smooth, no cracks, grease, burrs, chips, grease spots.
Buy, supplier
Buy wl-20 blue tungsten electrode from the supplier Evek GmbH at an affordable price. The price is formed on the basis of European standards of production. Buy wl-20 blue tungsten electrode can be wholesale or retail. Regular customers can take advantage of a discount system from Evek GmbH.