International manufacturing executives are begging for readability on Donald Trump’s tariff coverage earlier than a 50 per cent levy is imposed on copper imports, as their stockpiles diminish and the clock ticks on current contracts.
The US president has vowed to impose the upper tariff on the steel from August 1, matching ranges already in place on all imports of metal and aluminium. But it surely stays unclear whether or not the levy shall be utilized to all copper merchandise, stoking nervousness throughout industries.
Corporations’ deepening issues over copper come as they’re already grappling with the upper prices of Trump’s escalating commerce conflict, with US gross sales of merchandise from automobiles and vans to development gear hit by coverage uncertainty.
Analysts warn the implications to costs and demand of completely greater copper tariffs shall be severe for the reason that steel is broadly utilized in electrical autos, chips and defence gear, in addition to family home equipment and wiring.
The US depends closely on imports of the steel, which accounted for about 53 per cent of its copper demand in 2024, based on Morgan Stanley.
John O’Leary, North American boss of Daimler Truck, mentioned firms had grow to be more and more annoyed since that they had anticipated readability on the tariff coverage by now. The group this week reported a 20 per cent drop in second-quarter truck gross sales in North America as logistics firms held off purchases because of the uncertainty.
“Clearly, no tariffs are greatest, but when there’s going to be one thing, simply inform us what it’s and we are able to get on with life and begin determining how you can take care of it,” O’Leary mentioned.
Till now, O’Leary mentioned, the corporate had pushed again towards suppliers which have invoked tariffs as pressure majeure in an effort to boost costs on long-term buying offers on aluminium and metal.
“The contracts we’ve had have protected us up thus far, however actually in some unspecified time in the future in time they begin to run out after which renegotiations happen.”
The White Home has not launched particulars of the tariffs, together with whether or not they are going to apply to semi-finished copper merchandise reminiscent of wires and rods, and whether or not restrictions on exports of copper scrap may also be put in place.
Along with long-term contracts, there was a rush of copper into the US this yr on expectations of upper tariffs. Because of this, analysts say finish customers of copper are unlikely to be hit with the complete influence till the producers’ personal warehouses run out of their provides.
“I might say there’s six to 9 months to make use of that buffer constructed from further shopping for of refined copper, after which that’s when you might begin to see the complete value of the 50 per cent tariff,” mentioned Amy Gower, commodities strategist at Morgan Stanley.
Whereas the pre-buying means American industrial firms have wholesome inventories of the steel for now, ultimately they “might want to take increase costs to offset the upper copper prices, which may result in demand destruction down the highway”, mentioned Jake Seltz, a portfolio supervisor at Allspring International Investments.
Corporations and traders are nonetheless hopeful that the Trump administration will accept decrease copper tariffs. The arbitrage between US costs and people elsewhere has solely blown out to about 28 per cent, suggesting the market doesn’t absolutely consider the 50 per cent tariffs will come into pressure.

“My greatest guess is that the realisation of the influence of a 50 per cent tariff on copper will hopefully be understood earlier than it’s truly felt,” mentioned James Cordier, chief govt and head dealer at Florida-based funding group Different Choices.
Barclays estimated {that a} 50 per cent tariff may add as much as $110 to the price of a petroleum automobile and as a lot as $700 to an electrical automotive for the reason that steel is utilized in wiring harnesses in addition to batteries, motors and inverters.
Nonetheless, the influence is prone to filter by way of not directly for carmakers, since it’s suppliers that always buy the steel. Trump has additionally promised that the auto business, which faces a 25 per cent tariff on imports of foreign-made autos, won’t be stacked with extra levies on the metals.
Throughout a pre-earnings briefing with analysts on Wednesday, Germany’s BMW described the influence from greater copper tariffs as “negligible”, based on Bernstein.
Aerospace Industries Affiliation, a US commerce group, has estimated that it might take as much as 10 years to seek out, certify and swap to a brand new provider of essential minerals due to the advanced nature of aerospace and defence provide chains.
“Within the close to time period, we encourage the administration to take care of entry with trusted sources of those minerals to keep away from a value spike that shall be felt most by our small and mid-size suppliers,” mentioned Dak Hardwick, AIA vice-president of worldwide affairs.
How copper costs will pattern over the medium time period can be unclear. Analysts count on the worldwide value on the London Metallic Alternate to stoop as soon as the arbitrage trades run their programs. If costs stay excessive, customers may swap to different supplies reminiscent of aluminium, which might trigger copper costs to say no, based on SMBC Nikko.
For some, the copper tariffs current a possibility. Cable maker Prysmian, the most important company purchaser of copper outdoors China, mentioned it noticed the tariffs as being “constructive” for the corporate even because it awaited extra particulars on what merchandise the levies will apply to.
The Milan-listed firm already makes nearly all of its US merchandise within the US — sourcing copper from Freeport McMoran and from recycled scrap materials. It then makes the wire and cable at its personal amenities within the US.
“We’re a lot much less uncovered than the nation and the remainder of the sector to imports,” mentioned Maria Cristina Bifulco, head of investor relations at Prysmian, noting that it imports solely a couple of third of its US wants.
Nonetheless, copper costs are handed by way of on to prospects, primarily based on benchmark costs, and Bifulco acknowledged that greater copper costs may hit demand.
“In our case, we move by way of to the purchasers the uncooked materials costs. So the actual influence of the tariff will not be on us, it’s on the ultimate prospects. The uncooked materials value tendencies are likely to affect the demand behaviour.”
Further reporting by Sylvia Pfeifer in London, Harry Dempsey in Tokyo and Martha Muir in New York