美国宣布扩大对钢铁和铝进口征收50%关税的范围

Core Viewpoint - The article discusses the expansion of tariffs on steel and aluminum imports by the Trump administration, which now includes hundreds of derivative products, indicating a significant shift in trade policy aimed at protecting domestic industries [4]. Group 1: Tariff Expansion Details - On August 15, the Trump administration announced a 50% tariff on steel and aluminum imports, expanding the range to include hundreds of derivative products [4]. - The U.S. Department of Commerce published a notice adding 407 product codes to the tariff list, which will incur additional duties due to their steel and aluminum content [4]. - The expanded tariff list is set to take effect on August 18, 2025 [4]. Group 2: Previous Tariff Changes - On June 3, the White House announced an increase in tariffs on imported steel and aluminum and their derivative products from 25% to 50% [4]. - This new tariff policy became effective on June 4, 2025, at 00:01 Eastern Time [4].