904L (N08904, 14539) Super Austenitic Super Stainless Hlau muaj 14.0,6,6-26.0% npib tsib, 4.5% molybdenum. 904L Super Austenitic Stainless Hlau yog cov roj carbon, siab, Molybdenum Austenitic Ausenitic ARSLOR-Resistant steel, uas yog cov khoom siv ntawm Fabkis los ntawm Fabkis H¡¤ Bank. Nws muaj cov kev ua kom zoo-passivation hloov muaj peev xwm, zoo heev corroside pitoride tsis kam, thiab zoo li kev ua yeeb yam zoo heev. Nws yog qhov haum rau ntau qhov kev hnov ntawm cov sulfuric acid hauv qab 70 à Ãc, thiab muaj qhov zoo thiab muaj cov kua qaub zoo nkauj thiab cov acetic acid thiab acetic acid.