ASTM A179 e aofia ai le mafiafia pito i lalo o le puipui, fa'au'u u'amea maualalo-carbon fa'amaua'i fa'afefe mo tubular, fa'afesuia'i vevela, condensers, ma isi auaunaga fa'afefe.ASTM A 179 fa'au'u u'amea leai se fa'aogaina o lo'o tu'uina atu ma gaosia e ala ile ata malulu.O vailaʻau faʻapitoa e aofia ai le carbon, manganese, phosphorus, ma le sulfur.