Manufacture and sale of forged productsManufacture and sale of electronic functional materials and componentsManufacture and sale of magnetic applied productsManufacture and sale of special steel barsManufacture and sale of stainless steel
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Aichi Ceratec Co., Ltd.
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| 愛知製鋼技術学園 |
In 1933, the Automotive Department was established at Toyoda Automatic Loom Works, and the development of automobiles began in earnest.
Established a steel manufacturing division within Toyota Automatic Loom Works Co., Ltd. (now Toyota Automatic Loom Works Co., Ltd.)
In the following year, the steel‑making division, which was the starting point for Aichi Steel, was established, and development of specialty steel for use in automobiles began.
Aichi Steel was established in 1934.
Development and application of new acid‑bath technology for stainless steel
Opening of the Hall of Forging Technology Museum
Brought MAGFINE 18/20 to market, anisotropic Nd‑Fe‑B resin‑bonded magnet
Development of the high‑sensitivity amorphous MI (magnetic impedance) sensor
Brought ScreenBar stainless steel shapes to market
Brought MAGFINE 25 and MAGFINE 21H to market, powerful heat‑resistant anisotropic Nd‑Fe‑B resin‑bonded magnet for automobiles
Development of ASTA, a new titanium alloy
Brought MAGFIT DX and MAGFIT IP dental magnetic attachments to market
Brought TetsuRiki Agri with Iron ions to market
Brought TetsuRiki Agri Super Great and TetsuRiki Agri F10 to market
Brought AS shot abrasive to market
Completed installation of small/medium precision facility
Development of navigation technology for underground markets designed for smartphones using 6-axis motion sensors
Development of AMI306 compass for smartphones
Development of new Dy-free MAGFINE powder
AICHI FORGE (THAILAND) CO., LTD. moved to Pinthong
Brought small diameter stainless steel reinforcing bar ASCON-D4 to market
Development and application of new acid bath technology for stainless steel : Opening of the Hall of Forging Technology Museum : Brought MAGFINE 18/20 to market, Anisotropic Nd-Fe-B resin bonded magnet : Development of the high sensitivity amorphous MI (magnetic impedance) sensor : Brought ScreenBar Stainless steel shapes to market : Brought MAGFINE 25 and MAGFINE 21H to market, powerful heat-resistant Anisotropic Nd-Fe-B resin bonded magnet for automobiles : Development of ASTA, a new titanium alloy : Brought MAGFIT DX and MAGFIT IP dental magnetic attachments to market : Brought TetsuRiki Agri with Iron ions to market : (Liquidation completed in February 2024) : Brought TetsuRiki Agri Super Great and TetsuRiki Agri F10 to market : Brought AS shot abrasive to market : Completed installation of small/medium precision facility : (Liquidation completed in March 2019) : Development of navigation technology for underground markets designed for smartphones using 6-axis motion sensors : Development of AMI306 compass for smartphones : Development of new Dy-free MAGFINE powder : AICHI FORGE (THAILAND) CO., LTD. moved to Pinthong : Brought small diameter stainless steel reinforcing bar ASCON-D4 to market
Developed and commercialized new stainless steel pickling technology
Opened the Forging Technology Hall
Commercialized neodymium-based anisotropic bonded magnet "Magfine®18/20"
Commercialized stainless steel shape steel [screen bar]
Commercialized high‑magnetization, high‑heat‑resistant automotive neodymium-based anisotropic bonded magnets "Magfine®25" and "Magfine®21H"
Developed new titanium alloy "ASTA"
Commercialized dental magnetic attachments "Magfit DX" and "Magfit IP"
Commercialized "Tetsuriki Aguri & Aku"
Commercialized "Tetsuriki Aguri Super & Great" and "Tetsuriki Aguri F10"
Commercialized grinding material "AS Shot®"
Installed nickel recycling facility "Briquette Production Equipment"
Completed small‑to‑medium precision finishing re‑engineering
Developed underground mall navigation technology for mobile devices using a "6-axis motion sensor"
Developed electronic compass "AMI306" for smartphones
Developed new Magfine® magnetic powder without dysprosium
Aichi International (Thailand) Co., Ltd. relocated to Pinton
Commercialized fine-grained stainless steel rebar "ASCON®‑D4"
Developed and introduced a rotating bending fatigue test apparatus for high-pressure hydrogen gas environments
Successfully developed next‑generation fertilizer that enables agriculture on poor soils
Developed an EV electric axle that achieves 40% size and weight reduction with 34,000 rotations, the world’s first
(Liquidation completed in February 2024): "TetsuRiki Agri Super Great" and "TetsuRiki Agri F10" product launch
(Liquidation completed in March 2019): Developed underground mall navigation technology for mobile devices using 6-axis motion sensors
(Liquidated in March 2019)
Liquidation completed in March 2019
(Liquidation completed in March 2019): Developed underground mall navigation technology for mobile devices using 6-axis motion sensors
(Liquidated in February 2024)
Liquidation completed in February 2024
(Liquidation completed in February 2024): "TetsuRiki Agri Super Great" and "TetsuRiki Agri F10" product launch
Aichi Steel will exhibit at the "Construction Technology Fair 2026 in Chubu" held on November 19-20, 2026, at Port Messe Nagoya. In addition to products such as stainless steel shape steel and stainless steel rebar, we will introduce construction cases that we have consistently handled from design cooperation to factory manufacturing and on-site construction.
Aichi Steel will exhibit at the Tokyo Dental Show 2026, held at Tokyo Big Sight on November 7-8, 2026. It will showcase the magnetic dentures "MagFit" that utilize proprietary materials and magnetic technology, as well as the dental precision magnetic attachment "MagFit® M".
Aichi Steel and employees and families of its group companies, totaling 31 people, carried out volunteer forest maintenance activities in Ootaki Village, Nagano Prefecture on October 31. Employees from Nagano Prefecture and Ootaki Village also participated, working on tree removal and other tasks under the "Aichi Steel Group Forest" initiative. The group has been continuing this activity since 2006 to protect the water source for Aichi's water supply.
Aichi Steel will revise the sales prices of special steel materials from contracts dated November 2026. Structural steel, spring steel, and bearing steel will increase by 5,000 yen per ton or more, and tool steel will see a price increase of 5–7%. In response to rising prices of iron scrap, crude oil, alloys, and purchased materials, the company is reviewing price levels necessary for stable supply.
Aichi Steel developed the "mouth-closure cold forging technology", the industry's first cold forging technique to close the opening of hollow shafts, achieving thinning and lightening of EV rotor shafts. Compared to conventional blocking techniques, it achieved a squeeze ratio of over 80% and reduced BEV rotor weight by 7.5%. By utilizing existing cold forging presses, it simultaneously achieved cost reduction and environmental contribution while keeping equipment investment low.
愛知製鋼は、冷間鍛造技術で中空シャフトの開口部を閉じる独自技術を開発し、80％超の絞り率を実現した。これにより、BEV用ローターシャフトの軽量化を7.5％達成し、既存の冷間鍛造プレスを活用できるため設備投資を抑制できる。
Aichi Steel Corporation will exhibit at electronica 2026 in Munich, Germany, showcasing its new MAGFINE® Sheet—a thin, flexible 0.3‑mm‑thick high‑performance magnetic sheet—alongside other technologies developed under its FY2024‑2026 Medium‑Term Management Plan. The company aims to apply automotive‑derived technologies to address broader social challenges.
Aichi Steel issued the 'Aichi Steel Integrated Report 2026' and published it on its official corporate website. The report introduces the company's value creation story, growth strategy toward achieving operating profit of 28 billion yen in FY2030, and ESG management initiatives.
Aichi Steel developed a hot-rolled stainless flat bar with rounded edges, which has been selected for the first time for the screen of the selective water intake facility at Nanma Dam. The new product is available in a range of thicknesses and widths.
Aichi Steel will exhibit at the "High Performance Materials Expo" and introduce the "Magfine® Sheet," a magnet sheet with high magnetic force despite being only 0.3 mm thick. Its proprietary technology achieves both flexibility and high magnetic force, and it is expected to be applied to various electronic and mechanical components.