But while American steel industry groups have hailed the tariff hike, economic experts have sounded alarms, saying it could further disrupt the already volatile global supply chai

President Donald Trump has announced a significant increase in tariffs on imported steel and aluminum, doubling the current rate from 25% to 50%.

President Donald Trump said Friday that he would double steel and aluminum import tariffs to 50% from next week, the latest salvo in his trade war on the world.