Assertion: graphite electrode | /r/MadeOf | a minimum of 97.30%
Facets:
Source sentences:
text: 2% thoriated tungsten electrodes (AWS classification EWTh-2) contain a minimum of 97.30% tungsten and 1.70 to 2.20% thorium.
text: 2% ceriated tungsten electrodes (AWS classification EWCe-2) contain a minimum of 97.30% tungsten and 1.80 to 2.20% cerium.