Is Thoriated Tungsten Radioactive?

Thoriated tungsten electrodes contain thorium, a radioactive material that can pose health and environmental risks at elevated exposure levels.

Does tungsten have radiation?

The Thorium used in 2 per cent Thoriated tungsten is a radioactive element and therefore can be dangerous to the health of those exposed to it and to the environment. ... They go on to say: "...during the grinding of electrode tips there is generation of radioactive dust, with the risk of internal exposure.

Are all tungsten electrodes radioactive?

Alternatives to thoriated tungsten

Lanthanum, cerium, yttrium and zirconium oxides can all be used with tungsten. While they are all marginally radioactive, the risk is even lower than with thoria, so no specific precautions are needed.