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.

U.S. President Donald Trump says he has agreed to consider a tariff exemption on Australian steel and aluminum imports after a telephone conversation with Australia’s prime minister.

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.

The amount of goods would be about four times larger than the last time Trump targeted the bloc’s metals sector.

The European Union estimated that the first wave of tariffs on steel and aluminium imposed by US President Donald Trump will result in a hit to EU exports worth up to €28 billion (approx. US$29.3 billion).