New Delhi, Feb. 11 -- On 10 February, US President Donald Trump continued his tariff measures and imposed a 25% duty on all steel and aluminium imports into America. This could upend the global metals market. Mint looks at its impact on the world and, more so, India.

Yes. In 2018, he imposed a 25% duty on steel and 10% on aluminium. It effectively kickstarted the trade war then. This time, he has gone for a 25% duty for both commodities without exceptions or exemptions and on all exporting countries. The tariffs will come into effect on 4 March and extend to downstream products that use foreign-made steel.

Trump believes these measures, levied on national security grounds, will aid the struggling domestic manufacturers and incentivize f...