Trump’s 50% Copper Import Tariffs to Include Semi-Finished Goods

US President Donald Trump’s plans to impose 50% import tariffs on copper imports are set to include the kinds of materials used for power grids, the military and data centers.

Plans involve including semi-finished products, according to people familiar with the matter who asked not to be named as discussions are private. That comes as few details of Trump’s plans for copper tariffs have been revealed so far. The tariff measures haven’t yet been formalized and they could change.

It has been widely expected that refined copper would be tariffed, but it was unclear what would happen with semi-finished ...