Not yet quite done and dusted.
18 member states have voted against, 4 in favour and 5 abstained. The Commissioner can ignore this when making a decision on 5th June but only for a provisional period of 6 months, and, in the present situation, it appears that he might have a problem getting permanent ratification in December. If he goes ahead, in the face of this sort of opposition, it puts another nail in the coffin.
It all looks like a bit of posturing. The USA imposed a similar tariff, but only to bring China to the negotiating table which is what has now happened. China imposed an export tax on the raw materials which brought home that a tit for tat situation was not in the interests of anyone.