He pipiʻi ka metala Rhenium a ʻaʻole hoʻohana wale ʻia, a hoʻohana nui ʻia ia i mea hoʻohui e hoʻomaikaʻi ai i ke kūpaʻa ʻana o nā alloys wela kiʻekiʻe. ʻO kahi liʻiliʻi o ka rhenium i hoʻohui ʻia i ka tungsten a me ka molybdenum hiki ke hoʻomaikaʻi maikaʻi i ka brittleness a me ka deformation hiki i ka haʻahaʻa haʻahaʻa a loaʻa kahi kūpaʻa ʻoi aku ka maikaʻi ma ka wela kiʻekiʻe.
Loaʻa iā WRe a me MoRe ka plasticity maikaʻi a me ka ikaika wela kiʻekiʻe, hiki ke hoʻohana ʻia ʻelua no nā ʻāpana hoʻolālā kiʻekiʻe, e like me nā pahu X-ray, electrodes, thermocouples, nā mea hoʻomehana, etc.