Japan Aluminum Crisis: Middle East Conflict Cuts Production

Japan's industrial production faces a significant threat as the ongoing Iran conflict has disrupted critical shipping routes, severing the nation's aluminum supply from the Middle East. This disruption has led to a sharp increase in aluminum prices, affecting key industries such as automotive manufacturing. Major companies, including Toyota and Denso, have already been compelled to reduce their monthly output by approximately 20,000 units due to these supply constraints. The situation is exacerbated by damage to aluminum refineries in Abu Dhabi and Bahrain during the initial conflict stages.

Experts warn that the global aluminum market could enter a prolonged shortage, with some projections indicating it may take at least a year to restore full production capacity. Even with a potential resolution to the conflict and the reopening of the Strait of Hormuz, restoring normal shipping levels is expected to take several months. Many Japanese companies typically maintain only about two months of inventory for raw materials, meaning disruptions could become critical by late April or early May 2026. Manufacturers are actively seeking alternative supply sources, but concerns are high, particularly among small and medium-sized enterprises.