President Donald Trump on Monday imposed a 25% tariff on all steel and aluminum imports into the United States with no exceptions or exemptions.

“Any steel coming into the United States is going to have a 25% tariff,” he told reporters Sunday on Air Force One as he flew from Florida to New Orleans to attend the Super Bowl. When asked about aluminum, he responded, “aluminum, too” will be subject to the trade penalties.

The European Commission is investigating whether to tighten its current system of quotas on steel imports to protect EU producers from new tariffs U.S. President Donald Trump plans to impose on incoming steel and aluminium on March 12.

The European Union estimates that the first wave of Donald Trump’s steel and aluminum tariffs will hit as much as €28 billion ($29.3 billion) of the bloc’s exports in what would be a massive escalation in the US president’s trade war.

President Trump on Monday impose 25% tariffs on all steel and aluminum imports into the United States. "This is a big deal, the beginning of making America rich again," Mr. Trump said as he signed the tariff orders in the Oval Office. All foreign steel and aluminum imports, regardless of the country of origin, will be subject to the tariffs.

President Donald Trump on Monday imposed 25% tariffs on all steel and aluminum imports to the United States. “This is a big deal," Trump said while signing the proclamations in the Oval Office. "The beginning of making America rich again."

Canada supplies roughly 60% to 70% of the imports that come into the U.S. market. Canadian suppliers like Rio Tinto produce high quality aluminum that is typically sold to stateside buyers.