美加征钢铝关税至50%，全球贸易再掀波澜

Group 1 - The U.S. has increased tariffs on imported steel and aluminum from 25% to 50%, effective June 4, 2025, which has sparked strong opposition from trade partners [1][3] - The new tariffs are expected to significantly raise domestic prices, particularly affecting the automotive industry, where steel constitutes about 60% of a vehicle's weight, potentially increasing car prices by $2,000 to $4,000 [1][3] - The increase in tariffs may also impact prices of consumer goods such as beverages in aluminum cans and major home appliances like refrigerators and washing machines [1] Group 2 - The new tariff policy has already shown negative effects on global trade, with Germany's mechanical engineering sector reporting a 6% year-on-year decline in new orders due to U.S. tariff policies and uncertainty [3] - The chief economist of the German Mechanical Engineering Industry Association has indicated that the new tariffs have severely impacted global markets, leading to a decline in corporate investment sentiment [3] - The global trade landscape is facing significant challenges as the implications of the U.S. steel and aluminum tariff increase unfold, raising concerns about how countries will respond [3]