Trump steel tariffs: Trading partners threaten retaliationThe main trading partners of the US have reacted angrily after President Donald Trump announced plans to impose tariffs on steel and aluminium imports. He said steel imports would face a 25% tariff and aluminium 10%. But US steel industry executives say Chinese steel is still widely shipped to the US through third countries. What shape is the US steel industry in? The US Department of Energy says the steel industry is recovering after a slump following the 2008 financial crisis.