Information
147 Jeokhyeon-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, South Korea
+82 55-269-6901
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Overview
- Summary
- SeAH Changwon Specialty Steel is a specialized steel manufacturing company launched in 2015 from POSCO Specialty Steel, boasting an annual steelmaking capacity of 1.2 million tons and a product output of 1 million tons [Database]. The company produces a variety of high-grade specialty steels, including stainless steel, tool steel, carbon and alloy steel, superalloys, and forged products [2]. It serves as a key material supplier for advanced industries such as automotive, machinery, shipbuilding, power generation, petrochemicals, semiconductors, aerospace, and defense [2, 6, 10]. It is the only company in Korea with an integrated production system for stainless steel wire rods, bars, and seamless pipes [12, 13].SeAH Changwon Specialty Steel is a specialized steel manufacturing company launched in 2015 from POSCO Specialty Steel, boasting an annual steelmaking capacity of 1.2 million tons and a product output of 1 million tons [Database]. The company produces a variety of high-grade specialty steels, including stainless steel, tool steel, carbon and alloy steel, superalloys, and forged products [2]. It serves as a key material supplier for advanced industries such as automotive, machinery, shipbuilding, power generation, petrochemicals, semiconductors, aerospace, and defense [2, 6, 10]. It is the only company in Korea with an integrated production system for stainless steel wire rods, bars, and seamless pipes [12, 13].
- Key Products/Technologies
- Stainless Steel: Possesses product groups including wire rods, bars, and seamless pipes [10, 13]. These product lines have secured world-class quality competitiveness through continuous facility investment and R&D [22].Stainless Steel: Possesses product groups including wire rods, bars, and seamless pipes [10, 13]. These product lines have secured world-class quality competitiveness through continuous facility investment and R&D [22].
- Tool Steel and Mold Steel: Provides high-quality tool steel and mold steel with enhanced quality characteristics through new alloy design and process control [22]. Offers lineups such as cold work tool steel (DuMAC series), hot work tool steel (DuRAH series), and precision plastic mold steel (SMAT series) [29].Tool Steel and Mold Steel: Provides high-quality tool steel and mold steel with enhanced quality characteristics through new alloy design and process control [22]. Offers lineups such as cold work tool steel (DuMAC series), hot work tool steel (DuRAH series), and precision plastic mold steel (SMAT series) [29].
- Carbon Steel and Alloy Steel: Produces wire rods, bars, squares, and flat bars of various specifications and uses, contributing to customer value creation [22].Carbon Steel and Alloy Steel: Produces wire rods, bars, squares, and flat bars of various specifications and uses, contributing to customer value creation [22].
- Superalloys: Produces superalloys that maintain excellent strength and corrosion resistance even at high temperatures [6]. These products are used in high-strength and high-corrosion-resistance applications such as aircraft engine components, power generation facilities, and petrochemical equipment [6]. The company has successfully developed and commercialized ultra-heat-resistant alloy technology for the first time in Korea [12]. It possesses technology for producing high-purity and high-performance component materials using 2-ton/8-ton Vacuum Induction Melting (VIM) and special refining facilities (ESR, VAR) [16].Superalloys: Produces superalloys that maintain excellent strength and corrosion resistance even at high temperatures [6]. These products are used in high-strength and high-corrosion-resistance applications such as aircraft engine components, power generation facilities, and petrochemical equipment [6]. The company has successfully developed and commercialized ultra-heat-resistant alloy technology for the first time in Korea [12]. It possesses technology for producing high-purity and high-performance component materials using 2-ton/8-ton Vacuum Induction Melting (VIM) and special refining facilities (ESR, VAR) [16].
- Open Die Forging: Possesses capabilities for producing open die forged products with excellent manufacturing technology and advanced mechanical methods [22]. Produces forged products such as shipbuilding materials and mold steel [10].Open Die Forging: Possesses capabilities for producing open die forged products with excellent manufacturing technology and advanced mechanical methods [22]. Produces forged products such as shipbuilding materials and mold steel [10].
- Smart Factory Technology: Introduced an AI-based 'Vision AI' system in the rolling process to accelerate smart factory transformation, improving productivity, ensuring quality precision, and enhancing operational safety [15, 18]. Implemented automated cutting length measurement in 2023, a roll setting guide system in 2024, and outer diameter measurement technology in the roughing mill in 2025 [15].Smart Factory Technology: Introduced an AI-based 'Vision AI' system in the rolling process to accelerate smart factory transformation, improving productivity, ensuring quality precision, and enhancing operational safety [15, 18]. Implemented automated cutting length measurement in 2023, a roll setting guide system in 2024, and outer diameter measurement technology in the roughing mill in 2025 [15].
- Core Advantages
- Integrated Production System: Possesses Korea's only integrated manufacturing process for stainless steel wire rods, bars, and seamless pipes, from raw materials to finished products, all within one factory [12, 13].Integrated Production System: Possesses Korea's only integrated manufacturing process for stainless steel wire rods, bars, and seamless pipes, from raw materials to finished products, all within one factory [12, 13].
- High-Value-Added Product Portfolio: Produces a wide range of high-value-added specialty steel materials, including stainless steel, tool steel, carbon and alloy steel, superalloys, and forged products [2, 11]. Specializes in supplying materials for advanced industries such as aerospace, defense, and energy [11, 12].High-Value-Added Product Portfolio: Produces a wide range of high-value-added specialty steel materials, including stainless steel, tool steel, carbon and alloy steel, superalloys, and forged products [2, 11]. Specializes in supplying materials for advanced industries such as aerospace, defense, and energy [11, 12].
- Advanced Technology and R&D: Engages in continuous R&D activities, including the development of eco-friendly, high-purity steelmaking technology and high-quality forging/rolling process technology [7]. Successfully developed and commercialized ultra-heat-resistant alloy technology for the first time in Korea [12]. Possesses high-purity superalloy production technology that reduces impurity content to less than 0.01% through a one-stop process from high-purity melting to post-processing [21, 23].Advanced Technology and R&D: Engages in continuous R&D activities, including the development of eco-friendly, high-purity steelmaking technology and high-quality forging/rolling process technology [7]. Successfully developed and commercialized ultra-heat-resistant alloy technology for the first time in Korea [12]. Possesses high-purity superalloy production technology that reduces impurity content to less than 0.01% through a one-stop process from high-purity melting to post-processing [21, 23].
- Global Quality Certifications and Assurance System: Acquired international quality system certifications such as ISO 9001, IATF 16949, and KS Q 9100 [1, 9]. Obtained KS, JIS mark approvals, and factory approvals from DNV and 8 other national classification societies [1, 9]. Established a complete quality assurance system from order to shipment [2].Global Quality Certifications and Assurance System: Acquired international quality system certifications such as ISO 9001, IATF 16949, and KS Q 9100 [1, 9]. Obtained KS, JIS mark approvals, and factory approvals from DNV and 8 other national classification societies [1, 9]. Established a complete quality assurance system from order to shipment [2].
- Production Capacity: Ensures stable supply capacity based on an annual steelmaking capacity of 1.2 million tons and product production volume of 1 million tons [Database, 2].Production Capacity: Ensures stable supply capacity based on an annual steelmaking capacity of 1.2 million tons and product production volume of 1 million tons [Database, 2].
- Eco-friendly Production Capabilities: Acquired ISO 14021 certification for the use of recycled materials [5, 14]. Contributes to reducing nitrogen oxide and CO2 emissions through the development of green steelmaking new technologies and facility improvements for carbon neutrality [25, 35].Eco-friendly Production Capabilities: Acquired ISO 14021 certification for the use of recycled materials [5, 14]. Contributes to reducing nitrogen oxide and CO2 emissions through the development of green steelmaking new technologies and facility improvements for carbon neutrality [25, 35].
- Target Industrie
- Automotive Industry: Automotive components, gear parts, steering system materials, etc. [10, 11, 26, 31, 33].Automotive Industry: Automotive components, gear parts, steering system materials, etc. [10, 11, 26, 31, 33].
- Machinery Industry: Industrial machinery components, heavy equipment parts, etc. [2, 10, 11, 13, 26, 33].Machinery Industry: Industrial machinery components, heavy equipment parts, etc. [2, 10, 11, 13, 26, 33].
- Shipbuilding Industry: Marine shafts, shipbuilding materials, clad pipes for offshore gas field development projects, etc. [2, 6, 10, 11, 13, 25, 26, 33].Shipbuilding Industry: Marine shafts, shipbuilding materials, clad pipes for offshore gas field development projects, etc. [2, 6, 10, 11, 13, 25, 26, 33].
- Energy and Plant Industry: Power generation facilities, petrochemical facilities, thermal power plant boilers, piping, heat exchangers, flat bars for nuclear fusion diagnostic devices, hydrogen and LNG materials, etc. [2, 6, 10, 11, 13, 28].Energy and Plant Industry: Power generation facilities, petrochemical facilities, thermal power plant boilers, piping, heat exchangers, flat bars for nuclear fusion diagnostic devices, hydrogen and LNG materials, etc. [2, 6, 10, 11, 13, 28].
- Aerospace and Defense Industry: Aircraft engine components, aerospace engine parts, launch vehicles, fighter jets, self-propelled artillery barrels, defense materials, etc., requiring high strength and corrosion resistance [6, 10, 11, 12, 20, 21, 23, 31, 34].Aerospace and Defense Industry: Aircraft engine components, aerospace engine parts, launch vehicles, fighter jets, self-propelled artillery barrels, defense materials, etc., requiring high strength and corrosion resistance [6, 10, 11, 12, 20, 21, 23, 31, 34].
- Electronics and Semiconductor Industry: Advanced industrial materials such as semiconductor manufacturing equipment components [2, 6, 10, 11, 12, 37].Electronics and Semiconductor Industry: Advanced industrial materials such as semiconductor manufacturing equipment components [2, 6, 10, 11, 12, 37].
- Construction Industry: Construction materials [6, 26, 37].Construction Industry: Construction materials [6, 26, 37].
- Major Markets
- Saudi Arabia [11, 17], India [13, 32]Saudi Arabia [11, 17], India [13, 32]
- Germany [13], Europe (general) [13, 32]Germany [13], Europe (general) [13, 32]
- United States [11, 20, 27, 30, 32, 34]United States [11, 20, 27, 30, 32, 34]
- Certifications/Patents
- International Quality System Certifications: Acquired ISO 9001, IATF 16949, KS Q 9100 [1, 9].International Quality System Certifications: Acquired ISO 9001, IATF 16949, KS Q 9100 [1, 9].
- Product and Plant Approvals: Obtained KS, JIS mark approvals, and factory approvals from DNV and 8 other national classification societies [1, 9].Product and Plant Approvals: Obtained KS, JIS mark approvals, and factory approvals from DNV and 8 other national classification societies [1, 9].
- Environmental Certifications: Acquired ISO 14021 international standard certification for recycled material use [5, 14]. Obtained Swedish Environmental Product Declaration (EPD) certification for specialty steel products [19].Environmental Certifications: Acquired ISO 14021 international standard certification for recycled material use [5, 14]. Obtained Swedish Environmental Product Declaration (EPD) certification for specialty steel products [19].
- Vendor Certifications: Obtained large-diameter pipe mill vendor certification from Aramco, the world's largest petrochemical company, and completed vendor registration for all sizes [10].Vendor Certifications: Obtained large-diameter pipe mill vendor certification from Aramco, the world's largest petrochemical company, and completed vendor registration for all sizes [10].
- Awards: Received the Grand Prize in Management at the 2022 Changwon Chamber of Commerce and Industry Day (CEO Lee Sang-eun) [17]. Awarded the Minister of Industry and Trade Commendation at the 22nd Steel Day (Vice President Jang Chang-ju, Manager Park Du-hwan) [4]. Received the Prime Minister's Commendation for National Recommendation (Chief Kim Won-jong) [3]. Received the SeAH Achievement Award Silver Prize (for securing and supplying CLAD order products) [25]. Received the SeAH Achievement Award Gold Prize (for developing new technology for NOx reduction in heating furnaces and improving facilities) [25]. Received the SeAH Achievement Award Gold Prize (for developing green steelmaking new technology for carbon neutrality) [35].Awards: Received the Grand Prize in Management at the 2022 Changwon Chamber of Commerce and Industry Day (CEO Lee Sang-eun) [17]. Awarded the Minister of Industry and Trade Commendation at the 22nd Steel Day (Vice President Jang Chang-ju, Manager Park Du-hwan) [4]. Received the Prime Minister's Commendation for National Recommendation (Chief Kim Won-jong) [3]. Received the SeAH Achievement Award Silver Prize (for securing and supplying CLAD order products) [25]. Received the SeAH Achievement Award Gold Prize (for developing new technology for NOx reduction in heating furnaces and improving facilities) [25]. Received the SeAH Achievement Award Gold Prize (for developing green steelmaking new technology for carbon neutrality) [35].
Introduction
Location
147 Jeokhyeon-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, South Korea
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