The Global Automotive Motor Iron Core Market was valued at USD 12.85 Billion in 2024 and is projected to reach USD 21.73 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.2% during the forecast period (2024–2030). This robust growth is fueled by the global transition to electric mobility, stringent emissions regulations, and the increasing demand for high-efficiency motors in both Hybrid Electric Vehicles (HEVs) and Battery Electric Vehicles (BEVs).

As the automotive industry pivots toward electrification, the motor iron core—a critical component responsible for magnetic flux generation and motor efficiency—has become a focal point of innovation. In this blog, we profile the Top 10 Companies in the Automotive Motor Iron Core Industry, highlighting a mix of established metallurgy giants, precision engineering specialists, and emerging technology leaders shaping the future of electric propulsion.

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🔟 1. Mitsui High-tec, Inc.

Headquarters: Fukuoka, Japan
Key Offering: Precision motor cores for HEV/EV applications

Mitsui High-tec is a global leader in the manufacture of precision motor cores, supplying major automotive Tier 1 suppliers and OEMs worldwide. The company specializes in high-performance laminated cores produced using advanced pressing and annealing technologies, which are essential for achieving superior motor efficiency and power density.

Innovation and Expansion Initiatives:

• Pioneer in the mass production of motor cores for electric power steering (EPS) and EV traction motors

• Significant capital investment to expand production capacity in Japan and overseas to meet soaring EV demand

• Development of ultra-thin electromagnetic steel sheets for reduced core loss

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9️⃣ 2. Nidec Corporation

Headquarters: Kyoto, Japan
Key Offering: Integrated motor systems and core components

While Nidec is primarily known as a world-leading motor manufacturer, its vertical integration strategy includes the production of high-quality motor iron cores for its extensive product portfolio. The company’s expertise spans cores for everything from small auxiliary motors to large traction motors for vehicles.

Innovation and Expansion Initiatives:

• World’s first mass-producer of the “E-Axle” traction motor system, which includes proprietary iron core design

• Aggressive global expansion of EV component manufacturing facilities

• R&D focused on reducing iron loss and improving thermal management in high-speed motors

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8️⃣ 3. voestalpine AG

Headquarters: Linz, Austria
Key Offering: High-grade electrical steels and laminated cores

voestalpine is a leading European steel and technology group with a strong presence in the automotive sector. Its division produces sophisticated electrical steels that are processed into high-efficiency laminated cores, which are vital for the performance of electric motors in the demanding automotive environment.

Innovation and Expansion Initiatives:

• Investment in advanced, resource-efficient production technologies for non-grain oriented (NGO) electrical steel

• Strategic partnerships with European automotive OEMs for next-generation e-motor projects

• Focus on sustainability through energy-efficient manufacturing processes

Download FREE Sample Report: Automotive Motor Iron Core Market – View in Detailed Research Report

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7️⃣ 4. POSCO

Headquarters: Pohang, South Korea
Key Offering: Electrical steel sheets and custom motor cores

POSCO, one of the world’s largest steel producers, is a key supplier of high-quality electrical steel, the primary raw material for motor iron cores. The company also engages in the downstream processing of these materials into finished or semi-finished cores for the automotive industry.

Innovation and Expansion Initiatives:

• Development of Hyper NO® electrical steel, which offers exceptionally low iron loss

• Expanding production capacity for high-silicon electrical steel to cater to the premium EV market

• Collaboration with Korean automotive giants like Hyundai and Kia for tailored e-motor solutions

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6️⃣ 5. SWD AG

Headquarters: Buchen, Germany
Key Offering: Bonded and welded laminated cores

SWD AG is a German specialist in the production of laminated cores for electric motors and generators. With a strong focus on the automotive industry, the company provides innovative bonding and welding technologies that ensure the structural integrity and magnetic performance of motor cores under high-stress conditions.

Innovation and Expansion Initiatives:

• Expertise in the “Bondcore” process, creating robust laminated stacks without compromising magnetic properties

• Investment in automated, high-volume production lines to serve the growing EV sector

• Close engineering collaboration with customers for application-specific core designs

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5️⃣ 6. Kienle Spiess

Headquarters: Göppingen, Germany
Key Offering: Precision laminated cores and subassemblies

Kienle Spiess is a renowned provider of sophisticated laminated core packages for the global automotive and industrial sectors. The company is known for its high-precision manufacturing capabilities, producing complex core geometries required for modern, high-speed electric motors.

Innovation and Expansion Initiatives:

• Specialization in interlocking and bonded core technologies for high-volume automotive applications

• Implementation of Industry 4.0 principles for consistent quality and traceability

• Development of integrated solutions that combine the core with other motor components

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4️⃣ 7. Waelzholz

Headquarters: Hagen, Germany
Key Offering: Cold-rolled strip steel and precision strips for laminations

Waelzholz is a specialist in precision steel strips, including the tailor-made electrical steel strips used for motor laminations. The company’s products form the essential building blocks for motor cores, prized for their consistent quality and magnetic properties.

Innovation and Expansion Initiatives:

• Production of ultra-thin, high-strength electrical steels optimized for high-frequency applications in EV motors

• Focus on material science to reduce eddy current losses and improve overall motor efficiency

• Strong presence in the European supply chain for automotive electrification

Download FREE Sample Report: Automotive Motor Iron Core Market – View in Detailed Research Report

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3️⃣ 8. Polaris Laser Laminations, LLC

Headquarters: Chicago, Illinois, USA
Key Offering: Laser-cut laminations for electric motors

Polaris Laser Laminations utilizes advanced laser technology to produce precise motor laminations with complex geometries that are difficult to achieve with traditional stamping. This capability is increasingly important for the sophisticated motor designs used in high-performance electric vehicles.

Innovation and Expansion Initiatives:

• Proprietary laser cutting processes that minimize the heat-affected zone, preserving the magnetic properties of the steel

• Specialization in prototyping and low-to-medium volume production, ideal for new EV motor development

• Strategic partnerships with motor designers and manufacturers in North America

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2️⃣ 9. Feintool International Holding AG

Headquarters: Lyss, Switzerland
Key Offering: Fineblanked components and laminated cores

Feintool is a global technology leader in fineblanking, a precision stamping process. The company applies this expertise to the production of high-precision motor laminations, offering exceptional dimensional accuracy and edge quality, which contributes to reduced magnetic flux leakage and higher motor efficiency.

Innovation and Expansion Initiatives:

• Development of the “FB One” technology, an evolutionary fineblanking press system for mass production

• Expansion of its component business to serve the rapidly growing e-mobility sector

• Focus on producing complex, multi-level laminations for compact motor designs

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1️⃣ 10. Suzhou Fine-stamping

Headquarters: Suzhou, China
Key Offering: Stamped laminations and motor cores

Suzhou Fine-stamping is a prominent Chinese manufacturer specializing in the production of precision-stamped laminations for various types of motors. The company benefits from its strategic location within China’s massive automotive and EV supply chain, serving both domestic and international markets.

Innovation and Expansion Initiatives:

• Rapid scaling of production capacity to meet the explosive demand from China’s EV manufacturers

• Investment in high-speed progressive stamping presses for cost-effective, high-volume production

• Focus on quality control and automation to compete in the global marketplace

Get Full Report Here: Automotive Motor Iron Core Market – View in Detailed Research Report

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🔌 Outlook: The Future of Automotive Motor Iron Cores Is High-Performance and Sustainable

The automotive motor iron core market is undergoing a fundamental transformation driven by the electrification of transport. While the basic function of the core remains, the focus has shifted to maximizing efficiency, power density, and thermal performance while minimizing material use and environmental impact.

📈 Key Trends Shaping the Market:

• Accelerated adoption of ultra-thin, non-grain oriented (NGO) electrical steel to reduce eddy current losses at high frequencies

• Rising demand for bonded and interlocking core technologies that eliminate welding and riveting, improving magnetic performance

• Integration of soft magnetic composites (SMCs) for 3D flux paths in specialized motor designs

• Increased R&D into recycling processes for electrical steel to support a circular economy for EV components

Get Full Report Here: Automotive Motor Iron Core Market – View in Detailed Research Report

The companies profiled above are not merely suppliers of a component; they are enablers of electric mobility, providing the technological foundation for the next generation of efficient, powerful, and reliable automotive motors.