By Trevor Hunnicutt and Nandita Bose

WASHINGTON/BEIJING, May 10 (Reuters) - U.S. President Donald Trump and Chinese President Xi Jinping are set to discuss Iran, Taiwan, artificial intelligence and nuclear weapons as they weigh extending a critical minerals deal, according to U.S. officials previewing Trump's two-day visit to China this week.

The leaders of the world's two largest economies will hold their first face-to-face talks in more than six months as they try to stabilize ties strained by trade, the U.S. and Israeli war with Iran and other areas of disagreement.