Rukunin samfuran

904L babban bakin karfe ne na Austenitic tare da juriya mai tsayi sosai, musamman a cikin mahalli mai dauke da ions chloride. Wannan abu ya ƙunshi babban abun ciki na nickel da molybdenum, da matsakaicin adadin jan karfe, wanda ke ba shi kyakkyawan juriya na lalata a cikin acidic, alkaline, da saline yanayi.904L bakin karfe ana amfani dashi sosai a masana'antar sinadarai, man fetur, yin takarda, sarrafa abinci, injiniyan ruwa da sauran masana'antu.