ʻO ka mīkini kiʻi uea ʻo ia ka uea kuhili ʻole e huki ana i ka uea ma luna o ka hose metala metala a i ʻole ka wili metala, a ʻo ka hose metala a i ʻole ka ʻili metala i hōʻeha ʻia ma nā ʻano kikoʻī o ka paipu metala (a i ʻole ke kāʻei), a me ka mīkini kiʻi uea kuhili. ka paipu metala (a i ʻole ke kāʻei) o ka mīkini kaha kiʻi uea, ma o ka hohola ʻana e hana i kekahi deformation plastic o ka uea kuhili ʻole e loaʻa ai ke anawaena a me ke ʻano.Hiki ke hoʻohana ʻia ka hana kiʻi kiʻi no ka hana ʻana i nā ʻano like ʻole o nā uea kuhili ʻole, ka pā kila kila, ke keleawe keleawe, ka nickel base alloy, ka alumini alumini a me nā uea ʻē aʻe.Kuhiliʻole kila uea kaha kiʻi hana, kuhiliʻole kila uea e i kekahi tensile hana, ma ke kaʻina hana o ke kikoo, e hana i kekahi deformation, no laila, i loko o ka hana kaʻina hana e hoʻomalu i ke kaha kaha kiʻi e like me nā koi kiʻi, i ka manawa like. e like me ka mea a me ke anawaena o ke kila kuhiliʻole e koho i ka make kiʻi kūpono.