He maikaʻi ka uila a me ka thermal conductivity ke keleawe, ka plasticity maikaʻi, ke kaomi wela maʻalahi a me ka hoʻoili ʻana i ke anuanu, ka nui o nā mea i hoʻohana ʻia i ka hana ʻana i ke uea, uea, pulupulu, uila uila corrosion o ke keleawe a me nā koi kūikawā o nā huahana conductivity uila.