How the Strait of Hormuz Closure Reshaped Global Aluminium Markets in 2026
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
Published byEdited with DeepSeek-V4-FlashImages generated with GPT Image 1.5
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
Aluminium Bahrain (Alba) operated at 30% capacity, Qatalum at 60%, and Emirates Global Aluminium's Al Taweelah plant fell to just 18% capacity — with full return not expected until early 2027.
The crisis also disrupted seaborne alumina trade and drove U.S. aluminium premiums above $6,000/tonne, while stalled diplomatic talks keep the market on edge.
What impact has the ongoing closure of the Strait of Hormuz — triggered by the U.S.-Israel air war against Iran that began in late FebruaryThe Strait of Hormuz carries roughly 5.14 million tonnes of primary aluminium annually — about 9% of global supply — making its closure one of the most disruptive supply shocks in aluminium market history.
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Create a landscape editorial hero image for this Studio Global article: What impact has the ongoing closure of the Strait of Hormuz — triggered by the U.S.-Israel air war against Iran that began in late February. Article summary: The Strait of Hormuz closure, following the U.S.-Israel air war against Iran that began in late February 2026, has triggered one of the most severe supply shocks in the history of the global aluminium market, removing ro. Topic tags: general, news, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts wi
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The Strait of Hormuz closure, following the U.S.-Israel air war against Iran that began in late February 2026, has triggered one of the most severe supply shocks in the history of the global aluminium market. Roughly 2 million tonnes of supply have been removed from the chain, Gulf production has cratered, and LME prices hit a four-year high before partially retreating as markets priced in a fragile stalemate .
Production Disruptions at Gulf Smelters
The three largest Gulf smelters were hit directly by the conflict and supply chain blockage:
Aluminium Bahrain (Alba) declared force majeure on March 4, 2026, and by March 15 had initiated a controlled shutdown of three smelting lines (19% of its 1.62-million-tonne capacity) . By April 2026, the smelter — the world's largest outside China — was operating at roughly .
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The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
What are the key points to validate first?
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea... Aluminium Bahrain (Alba) operated at 30% capacity, Qatalum at 60%, and Emirates Global Aluminium's Al Taweelah plant fell to just 18% capacity — with full return not expected until early 2027.
What should I do next in practice?
The crisis also disrupted seaborne alumina trade and drove U.S. aluminium premiums above $6,000/tonne, while stalled diplomatic talks keep the market on edge.
How the Strait of Hormuz Closure Reshaped Global Aluminium Markets in 2026
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
Published byEdited with DeepSeek-V4-FlashImages generated with GPT Image 1.5
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
Aluminium Bahrain (Alba) operated at 30% capacity, Qatalum at 60%, and Emirates Global Aluminium's Al Taweelah plant fell to just 18% capacity — with full return not expected until early 2027.
The crisis also disrupted seaborne alumina trade and drove U.S. aluminium premiums above $6,000/tonne, while stalled diplomatic talks keep the market on edge.
What impact has the ongoing closure of the Strait of Hormuz — triggered by the U.S.-Israel air war against Iran that began in late FebruaryThe Strait of Hormuz carries roughly 5.14 million tonnes of primary aluminium annually — about 9% of global supply — making its closure one of the most disruptive supply shocks in aluminium market history.
AI Prompt
Create a landscape editorial hero image for this Studio Global article: What impact has the ongoing closure of the Strait of Hormuz — triggered by the U.S.-Israel air war against Iran that began in late February. Article summary: The Strait of Hormuz closure, following the U.S.-Israel air war against Iran that began in late February 2026, has triggered one of the most severe supply shocks in the history of the global aluminium market, removing ro. Topic tags: general, news, general web, user generated. Style: premium digital editorial illustration, source-backed research mood, clean composition, high detail, modern web publication hero. Use reference image context only for broad subject, composition, and topical grounding; do not copy the exact image. Avoid: logos, brand marks, copyrighted characters, real person likenesses, fake screenshots, UI text, readable text, watermarks, charts wi
openai.com
The Strait of Hormuz closure, following the U.S.-Israel air war against Iran that began in late February 2026, has triggered one of the most severe supply shocks in the history of the global aluminium market. Roughly 2 million tonnes of supply have been removed from the chain, Gulf production has cratered, and LME prices hit a four-year high before partially retreating as markets priced in a fragile stalemate .
Production Disruptions at Gulf Smelters
The three largest Gulf smelters were hit directly by the conflict and supply chain blockage:
Aluminium Bahrain (Alba) declared force majeure on March 4, 2026, and by March 15 had initiated a controlled shutdown of three smelting lines (19% of its 1.62-million-tonne capacity) . By April 2026, the smelter — the world's largest outside China — was operating at roughly .
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What is the short answer to "How the Strait of Hormuz Closure Reshaped Global Aluminium Markets in 2026"?
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea...
What are the key points to validate first?
The Strait of Hormuz closure, following the U.S. Israel air war against Iran that began in late February 2026, removed roughly 2 million tonnes of aluminium supply from global markets, sending LME prices to a four yea... Aluminium Bahrain (Alba) operated at 30% capacity, Qatalum at 60%, and Emirates Global Aluminium's Al Taweelah plant fell to just 18% capacity — with full return not expected until early 2027.
What should I do next in practice?
The crisis also disrupted seaborne alumina trade and drove U.S. aluminium premiums above $6,000/tonne, while stalled diplomatic talks keep the market on edge.
Qatalum (Qatar) initially faced a full shutdown risk after a drone attack on the Ras Laffan LNG terminal cut gas supply. After QatarEnergy confirmed reduced gas flows, Qatalum stabilized at approximately 60% of nameplate capacity (roughly 390,000 tonnes annually) .
Emirates Global Aluminium — Al Taweelah was shut by an Iranian strike in March. As of August 12, 2026, EGA reported the plant was operating at just 18% of capacity and does not expect a full return to prior output levels until early 2027 . EGA is spending $400 million to restore production . Its alumina refinery output nearly halved to 602,000 tonnes in H1 2026 .
Overall Gulf aluminium production fell to its lowest level in over a decade in April 2026 . Damage and logistics constraints removed a net ~2 million tonnes of annualized supply from the global chain .
Global Seaborne Alumina Trade
Middle Eastern smelters rely heavily on imported alumina and bauxite. Vessels carrying these raw materials began diverting away from Hormuz as early as March 9, 2026 . Wood Mackenzie estimated the Strait's closure could cut off up to 60% of alumina supply to Middle Eastern smelters, potentially removing 3–3.5 million tonnes of output in 2026 . Global seaborne bulk alumina trade declined by nearly 4% to 10.4 million tonnes in Q2 2026, primarily due to the Hormuz closure disrupting access for key importing nations .
LME Aluminium Price Movements
Prices surged from roughly $3,400/tonne in early March to a four-year high of $3,855/tonne on June 2, 2026 (S&P Global confirms the year-to-date peak at $3,854/mt) . A brief U.S.-Iran deal in mid-June caused a sharp pullback — LME spot aluminium fell to $3,418/mt on June 15 and three-month to $3,380/mt . By late July, the war premium had largely unwound, with LME three-month aluminium trading around $3,170/tonne — roughly where it was before the conflict escalated . However, as stalled Hormuz talks dragged on, prices crept back up to ~$3,337/tonne by August 11, 2026, up more than 8% since end of June .
Broader Supply Chain and Base Metals Strain
The Strait of Hormuz normally carries roughly 5.14 million tonnes of primary aluminium annually — about 75% of the region's total production and roughly 9% of global supply . Norsk Hydro warned in late July that the global aluminium market faces deepening deficits if Hormuz constraints persist, as inbound raw material shipments continue to be inhibited . U.S. aluminium buyers faced even steeper prices, with domestic premiums pushing above $6,000/tonne due to additional Section 232 tariffs compounding the supply crunch . The UN reported that the Hormuz disruption caused a 95% drop in natural gas exports and severe knock-on effects for fertilizers and industrial products beyond aluminium .
Diplomatic Outlook
Per the IEA's most recent assessment as of August 12, 2026, the reopening of the Strait of Hormuz remains elusive with no diplomatic resolution in sight. Stalled U.S.-Iran negotiations have raised fears of a prolonged supply disruption, keeping the market on edge and underpinning the recent price rebound above $3,300/tonne .
trend.azIEA: Middle East conflict squeezes aluminum supplies, lifts prices
Qatalum (Qatar) initially faced a full shutdown risk after a drone attack on the Ras Laffan LNG terminal cut gas supply. After QatarEnergy confirmed reduced gas flows, Qatalum stabilized at approximately 60% of nameplate capacity (roughly 390,000 tonnes annually) .
Emirates Global Aluminium — Al Taweelah was shut by an Iranian strike in March. As of August 12, 2026, EGA reported the plant was operating at just 18% of capacity and does not expect a full return to prior output levels until early 2027 . EGA is spending $400 million to restore production . Its alumina refinery output nearly halved to 602,000 tonnes in H1 2026 .
Overall Gulf aluminium production fell to its lowest level in over a decade in April 2026 . Damage and logistics constraints removed a net ~2 million tonnes of annualized supply from the global chain .
Global Seaborne Alumina Trade
Middle Eastern smelters rely heavily on imported alumina and bauxite. Vessels carrying these raw materials began diverting away from Hormuz as early as March 9, 2026 . Wood Mackenzie estimated the Strait's closure could cut off up to 60% of alumina supply to Middle Eastern smelters, potentially removing 3–3.5 million tonnes of output in 2026 . Global seaborne bulk alumina trade declined by nearly 4% to 10.4 million tonnes in Q2 2026, primarily due to the Hormuz closure disrupting access for key importing nations .
LME Aluminium Price Movements
Prices surged from roughly $3,400/tonne in early March to a four-year high of $3,855/tonne on June 2, 2026 (S&P Global confirms the year-to-date peak at $3,854/mt) . A brief U.S.-Iran deal in mid-June caused a sharp pullback — LME spot aluminium fell to $3,418/mt on June 15 and three-month to $3,380/mt . By late July, the war premium had largely unwound, with LME three-month aluminium trading around $3,170/tonne — roughly where it was before the conflict escalated . However, as stalled Hormuz talks dragged on, prices crept back up to ~$3,337/tonne by August 11, 2026, up more than 8% since end of June .
Broader Supply Chain and Base Metals Strain
The Strait of Hormuz normally carries roughly 5.14 million tonnes of primary aluminium annually — about 75% of the region's total production and roughly 9% of global supply . Norsk Hydro warned in late July that the global aluminium market faces deepening deficits if Hormuz constraints persist, as inbound raw material shipments continue to be inhibited . U.S. aluminium buyers faced even steeper prices, with domestic premiums pushing above $6,000/tonne due to additional Section 232 tariffs compounding the supply crunch . The UN reported that the Hormuz disruption caused a 95% drop in natural gas exports and severe knock-on effects for fertilizers and industrial products beyond aluminium .
Diplomatic Outlook
Per the IEA's most recent assessment as of August 12, 2026, the reopening of the Strait of Hormuz remains elusive with no diplomatic resolution in sight. Stalled U.S.-Iran negotiations have raised fears of a prolonged supply disruption, keeping the market on edge and underpinning the recent price rebound above $3,300/tonne .
trend.azIEA: Middle East conflict squeezes aluminum supplies, lifts prices
