美国宣布：扩大征收50%关税

Core Viewpoint - The Trump administration has announced an expansion of tariffs on steel and aluminum imports, increasing the tariff rate to 50% on hundreds of derivative products [1][2]. Group 1: Tariff Expansion Details - The U.S. Department of Commerce has added 407 product codes to the U.S. Harmonized Tariff Schedule, which will incur additional tariffs due to their steel and aluminum content [2]. - The expanded tariff list will officially take effect on August 18 [2]. - The tariff on imported steel and aluminum was previously raised from 25% to 50% as announced on June 3 [2].