美国将407类钢铝衍生产品纳入关税清单，适用税率为50%

Group 1 - The U.S. Department of Commerce has added 407 product categories to the steel and aluminum tariff list, with a tax rate of 50% [1] - The new tariffs, effective from August 19, significantly expand the scope of previous tariffs announced by the Trump administration [1] - The expanded list includes a wide range of products such as wind turbines, mobile cranes, railway vehicles, furniture, and various equipment containing steel and aluminum components [1] Group 2 - Experts warn that the impact of the new tariffs will be substantial, with affected imports estimated to reach at least $320 billion based on 2024 import values [2] - The new tariffs are expected to further increase cost-push inflation, as indicated by the rising Producer Price Index (PPI) in July [2] - Many U.S. importers face a dilemma due to the sudden nature of the tariff decision, as goods already in transit may incur high additional tariffs [2] Group 3 - In June, the Trump administration announced a doubling of steel and aluminum import tariffs to 50%, causing disruptions in global supply chains [3]