hˈæfniəm kˈɑːɹbaɪd ɪz jˈuːʒuːəli kˈɑːɹbən dᵻfˈɪʃənt ænd ðˈɛɹfoːɹ ɪts kˌɑːmpəzˈɪʃən ɪz ˈɔfən ɛkspɹˈɛst æz ˌeɪtʃˈɛf sˌiːˈɛks ˈɛks ˈiːkwəlz zˈiəɹoʊ.fˈaɪv tə wˈʌn.zˈiəɹoʊ.
Hafnium carbide is usually carbon deficient and therefore its composition is often expressed as HfCx (x = 0.5 to 1.0).