美宣布扩大对进口钢铁和铝征收关税范围

Core Points - The U.S. Department of Commerce announced the addition of 407 product codes to the U.S. Harmonized Tariff Schedule, which will incur additional tariffs due to their steel and aluminum content [1] - Non-steel and aluminum products will be subject to tariffs based on rates imposed by President Trump on specific foreign goods [1] - The expanded tariff list will officially take effect on August 18 [1] - President Trump announced an increase in tariffs on imported steel and aluminum and their derivatives from 25% to 50%, effective June 4, 2025 [1]