Trump’s aluminum tariffs make very little economic sense, because we use aluminum for production of everything from airplanes, to cars, home construction, and Coke cans.  But as the chart below shows, and unlike steel, we don’t produce much primary (unrecycled) aluminum:

As we explain in today’s WSJ, the tariffs may end up costing jobs.

The U.S. manufacturers hit by Mr. Trump’s tariffs are frustrated. They provide good jobs to Americans yet are getting hammered. Many also compete directly with China—which will be the big winner of the aluminum tariffs. Mr. Trump promised that “there are no tariffs if you manufacture or build your product in the United States.” That has proved utterly untrue…

If the administration really wants a return of good blue-collar jobs, the president should immediately cancel, or at least suspend, the aluminum tariffs.