Aluminium Supply Shock: Iran's Strikes Trigger 6% Price Surge to $3,531.50

The direct supply shock is now a physical reality. Over the weekend, Iranian strikes hit two of the world's largest aluminium smelters: Emirates Global Aluminium's (EGA) Al Taweelah site and Aluminium Bahrain (Alba). Each facility has an annual capacity of 1.6 million tons. The attacks caused significant damage, with EGA's smelter losing power and metal solidifying in its potlines, forcing an uncontrolled shutdown. This abruptly shifts the market's risk from shipping snarls to a potential production crisis.

The price reaction was immediate and severe. On the London Metal Exchange (LME), aluminium prices surged 6% to $3,492 a ton, hitting a four-year high. LME futures settled 1.9% higher at $3,531.50 a ton in London. This rally reflects the market's assessment of a sudden, massive capacity loss. Analysts note that taking out 3 million tons of capacity cannot be replaced easily, creating a deepening deficit.

The vulnerability of key importers is stark. The United States has a 60% net reliance on aluminium imports, with the Gulf nations supplying nearly 22% of its total. The attacks on these two major producers-each outputting more primary aluminium than the entire U.S. domestic industry-directly threaten that supply chain. This physical disruption is a sharper, more dangerous blow than previous concerns about shipping through the Strait of Hormuz.

The Escalation Flow: Strikes → Production Halt → Price Surge

The causal chain began with strikes on Iran's industrial heartland. On Friday, joint US-Israeli attacks hit Mobarakeh Steel, the country's largest complex, damaging power infrastructure and storage. This directly reduced Iran's billet and slab production capacity, a key input for downstream industries. The attacks escalated rapidly, with Iran threatening retaliatory strikes on Gulf steel producers like Saudi's Hadeed and UAE's Emsteel, turning a regional conflict into a direct assault on the industrial sector.

The strategy is clear: target Iran's economic arteries. Analysts see a broader US-Israeli plan to reduce Iran's foreign currency revenues to near zero, with petrochemicals and steel as prime targets. This escalates the conflict beyond military sites. Israel's recent strike on a uranium processing plant in Yazd signals a move to cripple Iran's industrial and energy base, not just its nuclear program. The targeting of water, gas, and power infrastructure compounds the damage.

This flow directly explains the aluminium crisis. The strikes on Gulf smelters-EGA's Al Taweelah and Alba-appear to be a direct result of this escalating industrial warfare. What started as a shipping risk through the Strait of Hormuz has become a physical production shock. The market's 6% price surge to $3,531.50 reflects the assessment that this is a deepening, hard-to-replace deficit, not a temporary disruption.

Catalysts and Risks for the Flow

The immediate catalyst is the operational status of the damaged smelters. Prolonged outages at Emirates Global Aluminium's Al Taweelah and Aluminium Bahrain would sustain the price pressure. The market is already assessing a deepening deficit, as the combined 3 million tons of capacity offline represents close to half of Middle East production. Any delay in restarting these facilities would keep the physical supply shock front and center.

A major risk is the potential closure of the Strait of Hormuz. The market has already been priced for this, with the chokepoint seen as critical for alumina supply. A full closure would disrupt shipping for all metals, not just aluminium, compounding the existing production crisis. This risk is heightened by the escalation of strikes into the industrial sector, turning a shipping risk into a direct assault on production.

Watch for retaliatory strikes on Gulf steel producers and any U.S. or Gulf response. Iran has threatened strikes on Gulf steel plants, which could further destabilize global industrial metal flows. The targeting of water, gas, and power infrastructure in Iran also increases the risk of cascading production cuts across the region. The bottom line is that the 3 million tons of capacity offline is a severe shock, and the flow of risk is now moving from shipping to a broader industrial war.