EntityQ428932· pop 21· linked from 173 articlesrefractory metalSign in to saveclass of metals that are extraordinarily resistant to heat and wearConnectionsincandescent light bulbEntityfrictionEntityredoxEntityalkylationEntityUnited StatesCountryChinaCountryAustraliaCountryCanadaCountryGreeceCountrySwedenCountryBoliviaCountrycomputerEntityironEntitymedicineEntityhydrogenEntityPeriodic tableConceptcopperEntitycarbonEntitychemical elementEntitymetalEntityCategoriesMetallurgyMetalsRefractory materialsRefractory metals