Tungsten-Thorium

WTh

Tungsten-Thorium

This material is specifically used in lamp and welding electrodes. It is characterized by even better properties at high temperatures.

Properties

Heat resistance
Conductivity (electrical)
Arc Ignition

Development

States

Applications

TIG Electrodes
Hot cathodes for vacuum tubes, electron guns
Plasma and arcjet cutting electrodes

Chemical Composition

ElementW (%)ThO₂ (%)
ContentsRemaining1.0–2.0

Mechanical Properties

Density (g/cm³)19.0–19.2
Recrystallization Temperature (°C)~1500–1700
Melting point>3400

Available Sizes

Custom-made

Standards

ASTM B801

Certificate 3.1 available

Upon request when ordering

* These values are for reference only; they may vary depending on the standard and condition.