Proclamations cancel exemptions and duty-free quotas for major suppliers Canada, Mexico, Brazil and other countries in a move that could boost risk of multifront trade war

President Donald Trump on Monday removed the exceptions and exemptions from his 2018 tariffs on steel, meaning that all steel imports will be taxed at a minimum of 25%. Trump also hiked his 2018 aluminum tariffs to 25% from 10%.

President Donald Trump enacted 25% tariffs on all steel and aluminum imports to the U.S. Monday, signing an executive order that puts sharp new restrictions on critical manufacturing materials.

President Donald Trump signed an executive order imposing 25% tariffs on all steel and aluminum imports in an ongoing trade war with key partners.

The 25 percent tariffs on imported steel and aluminum are the latest salvo in his ongoing effort to overhaul the U.S. trading relationship with the rest of the world.