美国商务部正式宣布扩大钢铝关税清单范围，美国进口商进退两难

Group 1 - The U.S. Department of Commerce has officially announced an expansion of steel and aluminum tariffs, adding 407 product categories to the tariff list with a tax rate of 50% [1][4] - The expanded tariff list includes unexpected items such as baby strollers and deodorant sprays, indicating a broadening scope of affected products [4] - Many U.S. importers are caught in a difficult position, facing increased tariffs on goods already in transit, leading to potential financial losses [6] Group 2 - The expansion of tariffs is seen as a measure to close loopholes and support the revival of the U.S. steel and aluminum industries, according to the Deputy Secretary of Commerce [8] - However, economists warn that the expanded tariffs may exacerbate supply chain pressures and increase consumer prices, contributing to inflation [8][10] - The latest tariffs are estimated to impact at least $320 billion in imports, significantly higher than previous estimates, which could lead to increased costs for domestic producers [10] Group 3 - The "Core Alliance," representing the U.S. power transformer industry, has expressed concerns that increased tariffs may extend delivery times and hinder the development of the U.S. artificial intelligence industry [12] - Analysts suggest that not only steel and aluminum but also other industries may experience fluctuating tariff policies in the future, as indicated by recent statements from President Trump [14][16]