$U.S. Steel(X)$ President Trump announced that he would be doubling tariffs on steel to 50% as he visited a U.S. Steel mill in the Pittsburgh suburbs Friday, a week after teasing a "planned partnership" between the company and its Japanese competitor Nippon Steel. "We are going to be imposing a 25% increase. We're going to bring it from 25% to 50% the tariffs on steel into the United States of America, which will even further secure the steel industry in the United States," he said.