Hoʻopau ka hui ʻo South Korea ʻo POSCO i ka hana ʻana i ka piʻi ʻana o ke kumukūʻai nickel ma muli o ke ahi…
Loaʻa i ka chromium ke kila kila, e hāʻawi ana i ke kūpaʻa corrosion i nā wela kiʻekiʻe. Hiki i ke kila kila ke kū i nā pōʻino corrosive a i ʻole kemika ma muli o kona ʻili laulima. ʻO nā huahana kila kila maikaʻi loa ka corrosion a me ke kūpaʻa luhi, palekana no ka hoʻohana lōʻihi.
He mea wili kaulana loa ʻo Yieh Corp. e hāʻawi ana i ke kūpaʻa corrosion maikaʻi no nā noi he nui. Hoʻohana nui ʻia nā ʻāpana kila kila i nā lako o loko, nā paia, nā moku kaomi a me nā noi kai. ʻO 430 ka pā kila kila kūpono no nā mea maloʻo a i ʻole nā ​​​​mea i loko. He kūpono ka pā kila kila 304 no nā paia o waho a i ʻole nā ​​puka makani. ʻO 316 ka pā kila kila kūpono no nā moku kaomi i nā ʻoihana ʻenehana a me nā kai moana.