The new tariffs imposed on steel imports from Canada, Mexico and the European Union will boost hiring by the nation's steel producers, but analysts doubt that the duties will dramatically revive an industry that once dominated the world. Steel executives Roger Newport, of AK Steel in Middletown, Ohio, and Tim Timken, of Timken Steel in Canton, Ohio, have told financial analysts that President Donald Trump's decision to levy 25 percent tariffs on steel imports will help level the playing field in what they argue has been years of unfair trading practices from foreign producers.