A planned merger of the Japanese and American giants, announced in 2023, has traveled through an election, two presidents and strong union opposition.

Japan's chief tariff negotiator said Sunday that his U.S. counterpart had not touched on President Donald Trump's decision to double

President Donald Trump touted a "blockbuster agreement" between U.S. Steel and Japanese company Nippon Steel that he said would keep the U.S. steelmaker in Pittsburgh.

Experts, lawmakers, and industry people—alongside Canadian officials—have issued stark warnings about Trump's plan.

Former Bush administration official and Unleash Prosperity Executive Director Tim Doescher dissects President Donald Trump’s announcement of a partnership between U.S. Steel and Japan’s Nippon Steel on ‘Fox News Live.

Gary Mayor Eddie Melton has been supportive of a deal between Nippon and U.S. Steel for months, citing how it would benefit Gary Works. In August, it was announced that Nippon Steel would invest $300 million into the local facility. A Nippon executive later said the company would invest $1 billion into Gary Works.

Mr. Trump celebrated what he calls a partnership between U.S. Steel and Japan-based Nippon on Friday, sharing details about commitments in the partnership and increased tariffs on imported steel.

Nippon Steel Corp., the Japanese company embroiled in lengthy battle to buy US Steel Corp., said it plans to spend 869 billion yen ($6 billion) at home to expand output from cleaner furnaces.