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en.wikipedia.org/wiki/Tungsten

Tungsten, also known as wolfram, is a chemical element with symbol W and atomic number 74. .... All of the remaining radioactive isotopes have half-lives of less than 3 hours, and most of these have half-lives below 8 minutes. Tungsten also ...

www.pro-fusiononline.com/tungsten/radioactivity.htm

Therefore, welders can usually easily replace their radioactive 2% thoriated ... Non-radioactive 1½% lanthanated tungsten is an alternative to this material that ...

www.twi-global.com/technical-knowledge/faqs/faq-the-use-of-thoriated-tungsten-electrodes

Hazards associated with the electrodes, alternative types, and official guidelines for their safe use are presented.

www.encyclopedia.com/science-and-technology/chemistry/compounds-and-elements/tungsten

About a dozen radioactive isotopes of tungsten are known also. A radioactive isotope is one that breaks apart and gives off some form of radiation. Radioactive  ...

www.chemistryexplained.com/elements/T-Z/Tungsten.html

Tungsten's chemical symbol, W, is taken from an alternative name for the element , wolfram. ... About a dozen radioactive isotopes of tungsten are known also.

www.industrysearch.com.au/thoriated-tungsten-radioactivity-risk-to-welders/f/9360

Apr 19, 2012 ... The radioactivity problem. The Thorium used in 2 per cent Thoriated tungsten is a radioactive element and therefore can be dangerous to the ...

www.thefabricator.com/blog/why-i-still-use-2-percent-thoriated-red-tungsten

Feb 5, 2015 ... Heck, I even skipped the pure tungsten (green), and used red while ... According to the article, “There is almost no release of radioactive ...

www.iem-inc.com/information/radiation-sources/useful-radioactivity/welding-rods

Are you saying that welding rods are radioactive? Sometimes. Certain welding rods, often referred to as thoriated tungsten electrodes, do indeed contain some ...

www.ask.com/youtube?q=Is+Tungsten+Radioactive&v=2mvG-_z-MT4
May 22, 2012 ... I thaught id share how radioactive the Thoriated Tungsten electrodes are we use at work. These are 2% Thoriated. We use them ever day, grind ...