Alcoa Corp. CEO WIlliam Oplinger told an investors conference Tuesday that the upcoming tariffs on aluminum could cost tens of thousands of American jobs if they’re implemented.

The aluminum company views a 25% tariff on aluminum imports resulting in about 20,000 direct U.S. industry jobs being cut and as many as 80,000 indirect jobs being eliminated, Chief Executive Bill Oplinger said.

Key Takeaways Alcoa CEO William Oplinger said Tuesday he believes President Donald Trump's proposed tariffs on aluminum and steel would result in fewer US jobs in the sector.Alcoa produces aluminum in Canada and the US.