Kila kohu ʻole

He metala ke kila. He hui ia o na mea hao a me kalapona. Loaʻa ma lalo o 2 pakeneka kalapona, a loaʻa paha kekahi manganese a me nā mea ʻē aʻe. ʻO ka chromium ka mea hoʻohui mua o ke kila kila. Aia ma waena o 12 a 30 pakeneka chromium a loaʻa paha kekahi nickel. Hoʻohana ʻia ke kila kila no ka hana ʻana i nā mea he nui, e like me ka pālahalaha, nā kīʻaha, nā ʻāpana kaʻa, nā mea nani a me nā hale ʻaina a me nā lako halemai.