hat
FF: (. Egzanp min 0.020% total Al oswa 0.015% idrosolubl Al) Entièrement touye asye ki gen nitwojèn eleman obligatwa nan kantite ase yo mare nitwojèn ki disponib.
eng
FF: Fully killed steel containing nitrogen binding elements in amounts sufficient to bind available nitrogen (e.g. min. 0,020 % total Al or 0,015 % soluble Al).