The Southeast Asia Automotive Aluminum Alloy (OE) Market was valued at USD 6.12 Billion in 2023 and is projected to reach USD 9.43 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 6.8% during the forecast period (2024–2030). This growth is being driven by stringent emission regulations, increasing demand for fuel-efficient vehicles, and the accelerating adoption of Electric Vehicles (EVs) across passenger and commercial vehicle segments in the region.

As the automotive industry pivots toward lightweight construction and sustainable manufacturing, the focus intensifies on the key material suppliers and alloy producers enabling this transformation. In this blog, we profile the Top 10 Companies in the Southeast Asia Automotive Aluminum Alloy (OE) Industry—a mix of global giants, regional leaders, and specialized alloy developers shaping the future of vehicle manufacturing in ASEAN and beyond.

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🔟 1. Novelis Inc.

Headquarters: Atlanta, Georgia, USA
Key Offering: Automotive Aluminum Sheet, Advanced Alloys (5xxx, 6xxx Series)

Novelis is a global leader in rolled aluminum products and the world’s largest recycler of aluminum. Its automotive division supplies high-strength, lightweight aluminum sheet to major OEMs in Southeast Asia, playing a critical role in vehicle body-in-white and closure panel applications.

Sustainability & Innovation Initiatives:

• Target of 80% recycled content in its products by 2030

• Strategic partnerships with EV manufacturers for battery enclosures

• Investment in regional recycling and rolling capacity expansion

Download FREE Sample Report: Southeast Asia Automotive Aluminum Alloy (OE) Market – View in Detailed Research Report

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9️⃣ 2. Norsk Hydro ASA

Headquarters: Oslo, Norway
Key Offering: Hydro CIRCAL, Hydro REDUXA, Extruded Aluminum Components

Norsk Hydro is a fully integrated aluminum company with a significant presence in Southeast Asia. It provides low-carbon aluminum solutions, including extrusion ingots and rolled products, catering to the growing demand for sustainable materials in the automotive supply chain.

Sustainability & Innovation Initiatives:

• Pioneering carbon-neutral aluminum products (Hydro REDUXA)

• Closed-loop recycling systems for automotive scrap

• R&D in high-performance alloys for electric drivetrains

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8️⃣ 3. Constellium SE

Headquarters: Schiphol, Netherlands
Key Offering: Surfalex® body sheet, Structural Components, Crash Management Systems

Constellium specializes in high-value aluminum products for the automotive industry. Its advanced alloys are used in safety-critical components and body structures, with a strong focus on supplying the burgeoning EV market in Thailand, Indonesia, and Malaysia.

Sustainability & Innovation Initiatives:

• Development of alloys with superior formability and strength

• Collaboration with OEMs on multi-material vehicle architectures

Download FREE Sample Report: Southeast Asia Automotive Aluminum Alloy (OE) Market – View in Detailed Research Report

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7️⃣ 4. UACJ Corporation

Headquarters: Tokyo, Japan
Key Offering: Automotive Aluminum Sheet, Heat Exchanger Materials, Bumper Systems

UACJ is a major Japanese aluminum manufacturer with a strategic focus on the Southeast Asian automotive hub. It supplies a wide range of alloys for heat exchangers, body panels, and structural parts, leveraging its technical expertise and proximity to regional assembly plants.

Sustainability & Innovation Initiatives:

• Lightweighting solutions for internal combustion engine and electric vehicles

• Advanced brazing sheets for high-efficiency cooling systems

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6️⃣ 5. Kobe Steel, Ltd. (KOBELCO)

Headquarters: Kobe, Japan
Key Offering: Aluminum Forged Parts, Extrusions, High-Strength Alloys

Kobe Steel’s aluminum and copper business supplies high-performance forged and extruded aluminum components to automakers. Its products are critical for suspension systems, engine blocks, and, increasingly, EV battery trays and motor housings.

Sustainability & Innovation Initiatives:

• Development of high-thermal-conductivity alloys for EV battery cooling

• Process innovations to reduce energy consumption in aluminum forging

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5️⃣ 6. Gränges AB

Headquarters: Stockholm, Sweden
Key Offering: Gränges Superior, Gränges iQ, Specialty Heat Exchanger Materials

Gränges is a leading global supplier of rolled aluminum products for thermal management systems. Its specialized alloys for heat exchangers are widely used by automotive suppliers in Southeast Asia, essential for both conventional and electric vehicle thermal systems.

Sustainability & Innovation Initiatives:

• Focus on circular production with a high degree of recycled aluminum

• Alloy development for next-generation, compact heat exchangers

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4️⃣ 7. PT Indonesia Asahan Aluminium (Persero) (INALUM)

Headquarters: Kuala Tanjung, North Sumatra, Indonesia
Key Offering: Primary Aluminum Ingots, Billets, Alloy Development

INALUM is Indonesia’s state-owned primary aluminum producer and a key regional supplier. It provides the foundational raw material for the downstream automotive alloy industry, supporting the local manufacturing ecosystem with primary aluminum and customized alloys.

Sustainability & Innovation Initiatives:

• Investment in hydropower for greener primary aluminum production

• Partnerships with local automotive component manufacturers

Download FREE Sample Report: Southeast Asia Automotive Aluminum Alloy (OE) Market – View in Detailed Research Report

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3️⃣ 8. Press Metal Aluminium Holdings Berhad

Headquarters: Kuala Lumpur, Malaysia
Key Offering: Billets, Extrusion Ingots, Primary Aluminum

Press Metal is Southeast Asia’s largest integrated aluminum producer. Its strategic location and significant production capacity make it a vital supplier of primary aluminum and extrusion billets to the regional automotive components industry, particularly in Malaysia and Thailand.

Sustainability & Innovation Initiatives:

• Expansion of smelting capacity using more efficient, modern technology

• Development of value-added billets for specific automotive applications

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2️⃣ 9. Arconic Corporation

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Advanz™ Alloys, Fastening Systems, Rolled Aluminum Products

Arconic focuses on engineered products and solutions for the automotive and aerospace industries. Its high-performance Advanz™ alloys are designed for demanding applications like wheels, chassis components, and EV battery housings, serving global OEMs with operations in Southeast Asia.

Sustainability & Innovation Initiatives:

• Focus on alloys that enable significant vehicle mass reduction

• Investment in R&D for enhanced mechanical properties and corrosion resistance

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1️⃣ 10. Sapa (Hydro Extrusion Division)

Headquarters: Oslo, Norway (as part of Hydro)
Key Offering: Custom Aluminum Extrusions, Structural Components, Profiles

Operating under Norsk Hydro, the former Sapa business is a global leader in aluminum extrusions. It provides complex, custom-designed extruded profiles for vehicle spaceframes, bumper systems, and structural reinforcements to automakers and Tier-1 suppliers across Southeast Asia.

Sustainability & Innovation Initiatives:

• Integration into Hydro’s broader sustainability framework for low-carbon aluminum supply

• Design and engineering support for lightweight, multi-functional extruded solutions

Get Full Report Here: Southeast Asia Automotive Aluminum Alloy (OE) Market – View in Detailed Research Report

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🚀 Outlook: The Future of Automotive Aluminum Alloy is Lighter and Smarter

The Southeast Asia automotive aluminum alloy market is undergoing a profound transformation. While traditional engine components still consume significant volumes, the industry is investing heavily in advanced alloys and manufacturing processes to support the region’s evolution into a major EV production hub.

📈 Key Trends Shaping the Market:

• Accelerated demand for battery enclosures and electric drivetrain components

• Shift towards multi-material vehicle bodies combining aluminum with high-strength steel and composites

• Increased focus on closed-loop recycling to reduce the carbon footprint of aluminum parts

• Government policies and incentives promoting EV adoption and local component manufacturing

Get Full Report Here: Southeast Asia Automotive Aluminum Alloy (OE) Market – View in Detailed Research Report

The companies listed above are not only supplying critical materials—they’re enabling the lightweighting revolution that is essential for the next generation of cleaner, more efficient vehicles on Southeast Asian roads.