OEM China Tig Welding 2% Thoriated Tungsten Electrode Wt20
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Our group through specialist training. Skilled expert knowledge, sturdy sense of assistance, to fulfill the provider needs of shoppers for Electrode, Tungsten Electrode, Wt20 Tungsten Electrodes, Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We’ve been looking forward to cooperating with friends from all over the world.
Chemical composition:
| Main and minor components | Min.content(%) |
| W | Balance |
| La | 1.15-1.41% |
| La2O3 | 1.35-1.65% |
| Impurities | Max.values (μg/g) |
| Al | 15 |
| Cu | 10 |
| Cr | 20 |
| Fe | 30 |
| K | 10 |
| Ni | 20 |
| Si | 20 |
| Mo | 100 |
| C | 30 |
| H | 5 |
| N | 5 |
| Cd | 5 |
| Hg | 1 |
| Pb | 5 |
Diameter and tolerances:
| Diameter (mm) | Tolerance (mm) |
| 1.00-2.39 | ±0.05 |
| 2.40-2.99 | ±0.08 |
| 3.0-10.0 | ±0.10 |
Length and tolerance:
| Length (mm) | Tolerance (mm) |
| 50 | ±1.5 |
| 75 | +2.5/-1.0 |
| 150 | +4.0/-1.0 |
| 175 | +6.0/-1.0 |
| 300 | +8.0/-1.0 |
| 450 | +8.0/-1.0 |
| 600 | +13.0/-1.0 |
Straihtness(mm): max. deviation 0.5/100 mm length
Thermal treament: unannealed
Density: ≥18.5g/cm³
Surface: centerless ground
