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South Korea Flat Steel Market

ID: MRFR/CnM/45565-HCR
200 Pages
Chitranshi Jaiswal
October 2025

South Korea Flat Steel Market Research Report By Product Type (Slabs, Hot-Rolled Coil, Cold-Rolled Coil, Sheets & Strips, Tinplate, Coated Steel) and By End Use Industry (Building & Construction, Automotive & Transportation, Machinery, Electronics, Consumer Goods & Appliances, Oil & Gas, Energy)- Forecast to 2035

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South Korea Flat Steel Market Summary

As per Market Research Future analysis, the South Korea flat steel market Size was estimated at 23.5 USD Billion in 2024. The South Korea flat steel market is projected to grow from 25.33 USD Billion in 2025 to 53.5 USD Billion by 2035, exhibiting a compound annual growth rate (CAGR) of 7.7% during the forecast period 2025 - 2035

Key Market Trends & Highlights

The South Korea flat steel market is experiencing a dynamic shift driven by sustainability and technological advancements.

  • Sustainability initiatives are increasingly shaping production processes in the flat steel market.
  • The automotive sector remains the largest segment, while the construction sector is the fastest-growing segment in South Korea.
  • Technological innovations in manufacturing are enhancing efficiency and reducing costs across the industry.
  • Rising demand from the automotive sector and infrastructure development initiatives are key drivers of market growth.

Market Size & Forecast

2024 Market Size 23.5 (USD Billion)
2035 Market Size 53.5 (USD Billion)
CAGR (2025 - 2035) 7.77%

Major Players

ArcelorMittal (LU), Nippon Steel Corporation (JP), POSCO (KR), Tata Steel (IN), United States Steel Corporation (US), JFE Steel Corporation (JP), Thyssenkrupp AG (DE), Steel Authority of India Limited (IN), China Baowu Steel Group Corporation Limited (CN)

South Korea Flat Steel Market Trends

The flat steel market in South Korea is currently experiencing a dynamic phase characterized by evolving demand and supply dynamics. The country's robust industrial base, particularly in sectors such as automotive and construction, drives the need for high-quality flat steel products. Additionally, South Korea's strategic position in the Asia-Pacific region facilitates trade and export opportunities, further enhancing the market's growth potential. The government’s initiatives to promote advanced manufacturing technologies and sustainable practices also contribute to the market's evolution. As industries increasingly prioritize efficiency and environmental considerations, the flat steel market is likely to adapt to these changing requirements. Moreover, the competitive landscape of the flat steel market is marked by several key players who are investing in innovation and capacity expansion. This trend is indicative of a broader shift towards modernization and technological advancement within the sector. The emphasis on producing high-strength, lightweight materials aligns with global trends towards sustainability and energy efficiency. Furthermore, fluctuations in raw material prices and international trade policies may influence market dynamics, necessitating strategic responses from industry stakeholders. Overall, the flat steel market in South Korea appears poised for continued growth, driven by both domestic demand and export opportunities.

Sustainability Initiatives

The flat steel market is increasingly influenced by sustainability initiatives aimed at reducing carbon emissions and enhancing energy efficiency. South Korean manufacturers are adopting eco-friendly practices, such as utilizing recycled materials and implementing cleaner production technologies. This shift not only meets regulatory requirements but also aligns with global trends towards sustainable manufacturing.

Technological Advancements

Technological advancements play a crucial role in shaping the flat steel market. Innovations in production processes, such as automation and digitalization, are enhancing operational efficiency and product quality. South Korean companies are investing in research and development to create advanced flat steel products that cater to the evolving needs of various industries.

Export Opportunities

The flat steel market is benefiting from increasing export opportunities, particularly in the Asia-Pacific region. South Korea's strategic location and strong trade relationships enable manufacturers to access new markets. This trend is likely to continue as demand for high-quality flat steel products grows in neighboring countries.

Market Segment Insights

By Type: Hot-Rolled Coil (Largest) vs. Coated Steel (Fastest-Growing)

The South Korea flat steel market is characterized by a diverse range of segments including slabs, hot-rolled coil, cold-rolled coil, sheets & strips, tinplate, and coated steel. Among these, hot-rolled coil holds the largest share due to its extensive application in construction and automotive industries. The other segments also contribute significantly to the market, but none surpass the dominance of hot-rolled coil in terms of overall market share. In recent years, the growth trends within this segment have been influenced by various factors such as increased infrastructure projects and rising demand from automotive manufacturers. Coated steel, in particular, is emerging rapidly, driven by its aesthetic qualities and durability, making it highly favored in construction and appliances. As environmental regulations tighten, there is a noticeable shift towards coated products, suggesting that this segment may continue to gain traction in the future.

Hot-Rolled Coil (Dominant) vs. Coated Steel (Emerging)

Hot-rolled coil is noted for its reliability and adaptability in various industries, particularly in construction and automotive manufacturing, where it serves as a foundational material for numerous applications. Its ability to undergo further processing into different steel products enhances its appeal and solidifies its dominant market position. In contrast, coated steel represents a fast-emerging segment, known for its aesthetic appeal and resistance to corrosion. This segment is being increasingly adopted in the décor and appliance sectors due to its versatile nature and potential for customization, catering to modern consumer preferences. Together, these segments illustrate the balance between traditional dominance and innovative growth in the South Korea flat steel market.

By End Use Industry: Building & Construction (Largest) vs. Automotive & Transportation (Fastest-Growing)

The market share distribution among the end use industry segments reveals that Building & Construction represents the largest portion, driven by ongoing infrastructure projects and urbanization trends. In contrast, Automotive & Transportation, while smaller in terms of current share, is emerging rapidly due to the shift towards electric vehicles and advancements in lightweight materials, making it a significant area for growth. Growth trends show a robust demand in Building & Construction, fueled by government initiatives and private investments, reinforcing its dominance. Conversely, the Automotive & Transportation segment is being propelled by innovation in manufacturing processes and materials, particularly with the rise of sustainability initiatives, which positions it as the fastest-growing sector within the market.

Building & Construction: Dominant vs. Automotive & Transportation: Emerging

Building & Construction is characterized by its foundational role in the South Korea flat steel market, underpinned by substantial investments in residential and commercial infrastructure. This sector relies heavily on flat steel products for structural and aesthetic applications, fostering steady demand. On the other hand, Automotive & Transportation, though in its growth phase, is rapidly evolving with increasing production of electric and hybrid vehicles. This segment is leveraging advancements in steel manufacturing that prioritize lighter materials for fuel efficiency, positioning it as an emerging force in the market. As innovation continues to drive both segments, their dynamics will shape the overall landscape of the South Korea flat steel industry.

Get more detailed insights about South Korea Flat Steel Market

Key Players and Competitive Insights

The flat steel market in South Korea is characterized by a competitive landscape that is both dynamic and multifaceted. Key growth drivers include increasing demand from the automotive and construction sectors, alongside a push towards sustainability and innovation. Major players such as POSCO (South Korea), Nippon Steel Corporation (Japan), and ArcelorMittal (Luxembourg) are strategically positioned to leverage these trends. POSCO (South Korea) focuses on technological advancements and green steel initiatives, while Nippon Steel Corporation (Japan) emphasizes operational efficiency and product diversification. ArcelorMittal (Luxembourg) is actively pursuing mergers and acquisitions to enhance its market presence, indicating a trend towards consolidation in the industry. Collectively, these strategies shape a competitive environment that is increasingly focused on innovation and sustainability.

In terms of business tactics, companies are localizing manufacturing to reduce costs and enhance supply chain efficiency. The market structure appears moderately fragmented, with several key players exerting significant influence. This fragmentation allows for competitive pricing, yet the presence of dominant firms like POSCO (South Korea) and Nippon Steel Corporation (Japan) suggests a potential for increased market concentration as these companies pursue strategic partnerships and acquisitions.

In October 2025, POSCO (South Korea) announced a partnership with a leading technology firm to develop advanced steel production methods that reduce carbon emissions by 30%. This strategic move underscores POSCO's commitment to sustainability and positions the company as a leader in green steel production. The collaboration is expected to enhance operational efficiency and meet the growing demand for environmentally friendly products in the flat steel market.

In September 2025, Nippon Steel Corporation (Japan) launched a new line of high-strength flat steel products aimed at the automotive sector. This initiative is significant as it aligns with the increasing demand for lightweight materials that improve fuel efficiency. By diversifying its product offerings, Nippon Steel Corporation (Japan) not only strengthens its market position but also responds to evolving customer needs in a competitive landscape.

In November 2025, ArcelorMittal (Luxembourg) completed the acquisition of a regional steel manufacturer, enhancing its production capacity in South Korea. This acquisition is strategically important as it allows ArcelorMittal to expand its footprint in the region and optimize its supply chain. The move is indicative of a broader trend where major players are consolidating resources to improve competitiveness and operational resilience.

As of November 2025, current competitive trends in the flat steel market are heavily influenced by digitalization, sustainability, and the integration of artificial intelligence. Strategic alliances are increasingly shaping the landscape, enabling companies to share resources and expertise. Looking ahead, competitive differentiation is likely to evolve from traditional price-based competition to a focus on innovation, technology, and supply chain reliability. This shift suggests that companies that prioritize sustainable practices and technological advancements will be better positioned to thrive in the future.

Key Companies in the South Korea Flat Steel Market include

Industry Developments

Amidst a dynamic landscape, the is witnessing significant developments. Hyundai Steel has announced plans to enhance its production capabilities by focusing on eco-friendly manufacturing processes, targeting a reduction in carbon emissions. Sangam Steel has reported an uptick in demand for coated products, which has positively influenced its market valuation as of September 2023. In recent months, KISCO is undergoing a strategic partnership with Nippon Steel to bolster their combined market presence in Asia.

There has been noticeable growth in POSCO’s margins, attributed to increased global prices for flat steel products, while Dongbu Steel is investing in advancements in its production technologies. On the M&A front, in July 2023, an acquisition was made by Hyundai Hysco for certain assets of a smaller firm, enhancing its market share in automotive steel products. The growing emphasis on sustainability is shaping the flat steel market, feeding into the broader trend of the steel industry in South Korea aiming for environmentally friendly practices.

The ongoing developments are indicative of the proactive adaptations of these companies to both local and global market demands.

Flat Steel Market Product Segmentation Insights

    • Flat Steel Market Product Type Outlook
      • Slabs
      • Hot-Rolled Coil
      • Cold-Rolled Coil
      • Sheets & Strips
      • Tinplate
      • Coated Steel
    • Flat Steel Market End Use Industry Outlook
      • Building & Construction
      • Automotive & Transportation
      • Machinery
      • Electronics
      • Consumer Goods & Appliances
      • Oil & Gas
      • Energy

Future Outlook

South Korea Flat Steel Market Future Outlook

The flat steel market in South Korea is projected to grow at a 7.77% CAGR from 2024 to 2035, driven by infrastructure development, automotive demand, and technological advancements.

New opportunities lie in:

  • Investment in advanced manufacturing technologies for higher efficiency.
  • Expansion into renewable energy sector with specialized flat steel products.
  • Development of eco-friendly steel production methods to meet regulatory standards.

By 2035, the flat steel market is expected to achieve robust growth and enhanced competitive positioning.

Market Segmentation

South Korea Flat Steel Market Type Outlook

  • Slabs
  • Hot-Rolled Coil
  • Cold-Rolled Coil
  • Sheets & Strips
  • Tinplate
  • Coated Steel

South Korea Flat Steel Market End Use Industry Outlook

  • Building & Construction
  • Automotive & Transportation
  • Machinery
  • Electronics
  • Consumer Goods & Appliances
  • Oil & Gas
  • Energy

Report Scope

MARKET SIZE 202423.5(USD Billion)
MARKET SIZE 202525.33(USD Billion)
MARKET SIZE 203553.5(USD Billion)
COMPOUND ANNUAL GROWTH RATE (CAGR)7.77% (2024 - 2035)
REPORT COVERAGERevenue Forecast, Competitive Landscape, Growth Factors, and Trends
BASE YEAR2024
Market Forecast Period2025 - 2035
Historical Data2019 - 2024
Market Forecast UnitsUSD Billion
Key Companies Profiled["ArcelorMittal (LU)", "Nippon Steel Corporation (JP)", "POSCO (KR)", "Tata Steel (IN)", "United States Steel Corporation (US)", "JFE Steel Corporation (JP)", "Thyssenkrupp AG (DE)", "Steel Authority of India Limited (IN)", "China Baowu Steel Group Corporation Limited (CN)"]
Segments CoveredType, End Use Industry
Key Market OpportunitiesAdoption of advanced manufacturing technologies enhances efficiency in the flat steel market.
Key Market DynamicsRising demand for high-strength flat steel products driven by automotive and construction sectors in South Korea.
Countries CoveredSouth Korea

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FAQs

What is the projected market size of the South Korea Flat Steel Market in 2024?

The South Korea Flat Steel Market is projected to be valued at 17.95 billion USD in 2024.

What is the expected market size of the South Korea Flat Steel Market by 2035?

By 2035, the market size of the South Korea Flat Steel Market is expected to reach 36.26 billion USD.

What is the anticipated CAGR for the South Korea Flat Steel Market from 2025 to 2035?

The expected CAGR for the South Korea Flat Steel Market from 2025 to 2035 is 6.602%.

Which product segment is expected to hold the largest market share in 2024?

In 2024, the Hot-Rolled Coil segment is expected to have the largest market share, valued at 5.68 billion USD.

What is the market value of the Cold-Rolled Coil segment in 2024?

The Cold-Rolled Coil segment is valued at 4.2 billion USD in 2024.

Who are the major competitors in the South Korea Flat Steel Market?

Key players in the South Korea Flat Steel Market include Hyundai Hysco, POSCO, and JFE Steel among others.

What is the expected market value for Slabs in 2035?

The market value for the Slabs segment is projected to be 7.25 billion USD by 2035.

Which key trends are driving the growth of the South Korea Flat Steel Market?

Growth in construction and automotive industries are significant trends driving the market.

What is the market value of the Tinplate segment in 2035?

The Tinplate segment is expected to reach a market value of 1.95 billion USD by 2035.

What challenges is the South Korea Flat Steel Market currently facing?

The market faces challenges such as fluctuating raw material prices and trade regulations.

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