Beryllium karfe ne launin toka, haske (yawanci shine 1.848 g/cm3), mai wuya, kuma yana da sauƙi don samar da wani Layer na kariya mai yawa a cikin iska, don haka yana da kwanciyar hankali a dakin da zafin jiki.Beryllium yana da wurin narkewa na 1285 ° C, wanda ya fi sauran karafa masu haske (magnesium, aluminum).Sabili da haka, abubuwan da ke dauke da beryllium suna da haske, masu wuya, da kuma tsayayya da yanayin zafi, kuma kayan aiki ne masu kyau don kera jirgin sama da kayan aikin sararin samaniya.Misali, yin amfani da allurar beryllium don yin rumbun roka na iya rage nauyi sosai;yin amfani da allunan beryllium don kera tauraron dan adam da jirage masu saukar ungulu na iya tabbatar da amincin jirgin.

"Gajiya" matsala ce ta gama gari ta ƙarfe na gaba ɗaya.Misali, igiyar waya mai ɗaukar nauyi na dogon lokaci za ta karye saboda “gajiya”, kuma marmaro za ta rasa ƙarfi saboda “gajiya” idan an matsa ta akai-akai da annashuwa.Metal beryllium yana da aikin anti-gajiya.Misali, ƙara kusan 1% ƙarfe beryllium zuwa narkakken ƙarfe.Ruwan da aka yi da wannan ƙarfe na ƙarfe zai iya shimfiɗa sau miliyan 14 a ci gaba ba tare da rasa ƙarfi ba saboda "gajiya", ko da a cikin yanayin "jan zafi" Ba tare da rasa sassauci ba, ana iya kwatanta shi da "marasa ƙarfi".Idan an ƙara kusan kashi 2% na ƙarfe na beryllium zuwa tagulla, ƙarfin juzu'i da elasticity na wannan ƙarfe na beryllium na jan ƙarfe ba su da bambanci da ƙarfe.Saboda haka, an san beryllium a matsayin "ƙarfe mai jurewa ga gajiya".

Wani muhimmin fasali na beryllium na karfe shi ne cewa ba ya haskakawa lokacin da ya buga, don haka ana amfani da allunan jan karfe-nickel mai dauke da beryllium don yin "ba-wuta" drills, guduma, wukake da sauran kayan aiki, waɗanda aka yi amfani da su musamman don sarrafa kayan aiki. abubuwa masu ƙonewa da fashewa.

Metal beryllium kuma yana da kaddarorin zama bayyananne ga radiation.Ɗaukar X-ray a matsayin misali, ikon kutsawa cikin beryllium ya fi na gubar ƙarfi sau 20 kuma ya fi na tagulla ƙarfi sau 16.Saboda haka, karfe beryllium yana da sunan "gilashin karfe", kuma ana amfani da beryllium sau da yawa don yin "windows" na tubes X-ray.

Karfe beryllium kuma yana da kyakkyawan aiki na watsa sauti.Gudun yaɗa sauti a cikin beryllium na ƙarfe ya kai 12,600 m/s, wanda ya fi saurin sautin iska (340m/s), ruwa (1500m/s) da ƙarfe (5200 m/s). .wanda masana'antar kayan kida suka fi so.