UNS NO8904, feem ntau hu ua 904L, yog ib qho tsis tshua muaj carbon siab alloy austenitic stainless hlau uas yog dav siv nyob rau hauv cov ntaub ntawv uas cov khoom corrosion ntawm AISI 316L thiab AISI 317L tsis txaus. 904L muab cov tshuaj zoo chloride kev nyuaj siab corrosion cracking tsis kam, pitting kuj, thiab dav corrosion kuj superior rau 316L thiab 317L molybdenum enhanced stainless hlau.