Loaʻa nā pahu a puni nā pahu kila i loko oʻekolu mau helu. 304ʻO ka papa maʻamau maʻamau me ka maʻalahi maʻalahi, maikaʻi no ka nomability maikaʻi a me ka corrosion. Hāʻawiʻo Suncher 316 i ke kū'ēʻana i ka paleʻana o ka corrossion maikaʻi loa, e kūpono ana i nā wahi o nāʻehaʻeha a iʻole nā wahi o ka paʻakai. E like me ka papa 304, ua maʻalahi nō hoʻi i ka weld, akāʻoi aku ka paʻakikī i ka mīkini. ʻO ka hope loa,ʻo ka papa 303ʻO ka maʻalahi o ka mīkini, hoʻoheheʻe aʻokiʻia ma mua o nā helu hou. Eia nō naʻe,ʻaʻole ia he kūpono no keʻano kūpono e like me ka ukiuki he 304 a me 316.