钢铝关税加征50%，对我国没啥影响，专门针对加拿大等盟国？

Core Viewpoint - The U.S. Department of Commerce announced a new tariff policy starting August 18, imposing a 50% tariff on 407 products, primarily affecting steel and aluminum imports, indicating a more targeted approach to tariffs under the Trump administration [1][4]. Group 1: Tariff Impact on Trade - The U.S. imports approximately $147.3 billion worth of steel and aluminum products annually, with a significant trade imbalance as it primarily imports without exporting [4]. - The new tariffs will affect various manufacturing sectors, leading to increased prices for products ranging from automotive parts to household appliances [5]. - Countries like Canada, Mexico, and Brazil, which previously enjoyed tariff exemptions, are expected to face significant pressure due to the new 50% tariffs [5]. Group 2: Global Trade Dynamics - The new tariffs will disrupt trade for countries that previously benefited from exemptions, particularly affecting Vietnam, which has relied on tariff-free exports to the U.S. [4]. - The European Union, South Korea, and Japan, as traditional allies of the U.S., will also be significantly impacted, with a substantial portion of their steel and aluminum exports directed to the U.S. [5]. - The aggressive tariff strategy may lead to a shift in global economic dynamics, prompting countries to accelerate the development of alternative economic partnerships and reduce reliance on the U.S. market [6].