Pure tungsten contains a minimum of 99.5% tungsten with no other alloying elements. This allows the tip to form a clean, balled end which provides good arc stability on AC. It is generally used in the welding of aluminum and magnesium alloys (AC)
Designation | Composition | Color Mark | |||
Dioxide | Oxide Compound % | Impurities % | Tungsten % | ||
WP | - | - | ≤0.02 | 99.8 | Green |