When analysts tally the risks of war in the Persian Gulf, they instinctively look to oil. Tanker routes. Brent crude. Strategic petroleum reserves.
Yet the escalating conflict with the Islamic Republic of Iran is threatening a different pillar of the global economy — one that receives far less attention but undergirds modern manufacturing just as surely as energy does.
Aluminum.
The recent closure of Qatar Aluminum Manufacturing Co (Qatalum)and Aluminum of Bahrain (ALBA) due to petroleum shortages offers a sobering point of departure.
A smelter is not a factory that can simply flip a switch and resume production when conditions stabilize.
Once curtailed, the process of restarting can take the better part of a year. That is not a temporary disruption; it is supply elimination.
In an already tight market, the removal of even a single large Gulf producer reverberates immediately across automotive lines, construction projects, aerospace production, food packaging, and electronics manufacturing.
U.S. officials have spent years gaming oil shock scenarios.
They haven't been nearly as attentive to metals security.
This strategic blind spot is now impossible to ignore.
The Gulf Cooperation Council (GCC) states — Bahrain, Oman, Qatar, Saudi Arabia, and the United Arab Emirates — quietly produce roughly 6.2 million tons of aluminum annually, approximately 8% of global supply.
They have become the most important non-Chinese aluminum suppliers to Western markets. With Russian aluminum effectively sanctioned out of Western trade flows, the GCC is no longer a supplementary source; it is a load-bearing pillar.
And that pillar has now become a casualty of conflict escalation.
The Strait of Hormuz is a critical chokepoint not just for oil and liquefied natural gas (LNG), but for metals exports.
Disruption — whether through direct strikes, insurance shocks, port slowdowns, or maritime insecurity — constrains outbound aluminum shipments.
The consequences cascade quickly.
Aluminum is not a niche commodity traded in specialist circles; it is embedded in everything from aircraft fuselages and pickup trucks to beverage cans, power lines, and semiconductor housings.
A sustained interruption would hit 70 countries across dozens of product categories simultaneously, from raw ingot to semi-fabricated goods.
Prolonged conflict in the Persian Gulf will not only undermine the economies of the United States and its allies; it will also hand Russia and China valuable leverage over this strategic commodity.
The uncomfortable truth is that Western aluminum markets entered this crisis with diminished inventories and reduced alternatives.
Even before the shooting started, the market was already stressed.
London Metal Exchange inventories had been declining throughout 2024 and into 2025. China controls nearly six in ten tons of global output.
Structural constraints and China's capacity ceiling left little slack in the system.
Russia, the third-largest producer, is effectively off-limits to Western buyers due to sanctions. India lacks the export infrastructure and commercial alignment to rapidly fill shortages.
That leaves the GCC as the indispensable supplier to Western industry, and this week, that supplier went off-line.
Remove even a portion of GCC output for six to twelve months and the effects will not remain confined to commodity exchanges; they will ripple from Detroit's assembly lines to Germany’s industrial exporters to Baltimore’s grocery store shelves.
They will surface in delayed vehicle deliveries (so much for my new car), rising housing costs, disrupted packaging supply chains, and strained defense procurement timelines.
Metals security must be treated with the same seriousness as energy security.
That requires more than ad hoc market adjustments.
It demands a coordinated allied industrial policy response: strategic stockpiling of primary aluminum; accelerated investment in domestic and trusted-partner smelting capacity; streamlined permitting for energy projects that support metals production; and comprehensive supply chain mapping resilient to sanctions and conflict shocks.
The United States cannot afford to discover — amidst a hot war — that its manufacturing base hinges on a narrow maritime corridor under threat.
The Strait of Hormuz is not merely an energy chokepoint.
It's an aluminum chokepoint. And until policymakers act accordingly, the global economy will remain one escalation away from a metal shock few have adequately prepared to absorb.
Ivan Sascha Sheehan is the interim dean of the College of Public Affairs at the University of Baltimore where he is a professor of public and international affairs. The views expressed are the author’s own. Follow him on X @ProfSheehan. Read more Ivan Sascha Sheehan's Insider articles — Click Here Now.
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