50%！美钢铝关税翻倍引发连锁反应，澳总理直言“美国经济自残”

Core Viewpoint - The U.S. has announced an increase in tariffs on imported steel and aluminum from 25% to 50%, which has sparked strong reactions globally and raised concerns about its impact on various industries and economies [1][2][4]. Group 1: Impact on Global Trade - The increase in tariffs is seen as a direct attack on Canadian industry and workers, with warnings that it could exclude Canadian steel and aluminum from the U.S. market, risking thousands of jobs [2][3]. - The European Union has expressed strong regret over the tariff hike, stating it adds uncertainty to the global economy and increases costs for consumers and businesses on both sides of the Atlantic [2][3]. - South Korea's steel exports to the U.S. account for 13.1% of its total steel exports, prompting urgent discussions among industry leaders to mitigate the impact of the tariff increase [3]. Group 2: Economic Consequences - The tariffs are expected to significantly raise U.S. steel prices, further squeezing domestic industries such as automotive and construction that rely on steel and aluminum as key materials [5][6]. - The Boston Consulting Group estimates that the initial 25% tariffs would increase U.S. steel and aluminum import costs by $22 billion, with derivative product costs rising by an additional $29 billion [4]. - Experts warn that the lack of a solid basis for the tariff adjustments and the resulting uncertainty could harm U.S. businesses and consumers, undermining the government's stated goal of protecting jobs [5][6]. Group 3: Consumer Impact - The tariff increase is likely to lead to higher prices for consumer goods, particularly those packaged in aluminum and steel, such as canned foods and beverages [7]. - The U.S. can manufacturers are expected to pass on the increased costs to consumers, potentially affecting millions of American households [7]. - The chain reaction of rising costs across multiple industries is anticipated, with experts suggesting that the policy will not effectively promote long-term recovery of U.S. manufacturing [7].