7227 90 10Containing by weight 0,0008 % or more of boron with any other element less than the minimum content referred to in note 1(f) to this chapterBuy report
7227 90 50Containing by weight 0,9 % or more but not more than 1,15 % of carbon, 0,5 % or more but not more than 2 % of chromium and, if present, not more than 0,5 % of molybdenumBuy report
