Manufacturer of Arc welding machine, Resistance welding machine, Welding automation facility
Properties
1. Heavy metal of high melting point of 3,400℃ with the element symbol of tungsten W, the atomic number of 74, atomic weight of 183.92, and proportion of 19.24
2. WT20-thorium type
Purposes
Color: Red – 2% Thorium, used as an electrode during argon (SUS, STEEL) welding
Type/Model | Symbol | Substance | Color |
---|---|---|---|
Pure tungsten | YWP | W | Rust |
1% Tritungsten | YWTh-1 | W+1% Tho₂ | Yellow (general) |
2% Tritungsten | YWTh-2 | W+2% Tho₂ | Red (general) |
2% tungsten oxide | YWLa-2 | W+2% La₂O₂ | Yellowish green (automatic) |
1% cerium oxide tungsten | YWCe-1 | W+1% Ce₂O₂ | Light green |
2% cerium oxide tungsten | YECe-2 | W+2% Ce₂O₃ | Gray (AL) |