◎ Elements not quoted in this table shall not be intentionally added to the steel without the agreement of the purchaser except for finishing the cast. All precautions are to be taken to avoid the addition of such elements from scrap and other materials used in production which would impair mechanical properties and the suitability of the steel.

◎ C-Cold rolled strip；H-Hot rolled strip；P-Hot rolled plate；T-Thickness；t-transverse；l-Longitudinal
◎ +A=annealed；+AT=solution annealed；+QT = quenched and tempered；+RA=recrystallizing annealed condition