- CEO
- Sean M. Stack
- Full Time Employees
- 27,771
- Sector
- Basic Materials
- Industry
- Steel
- Address
- Shinagawa Season Terrace Tokyo Japan 108-8224
- IPO Date
- Feb 5, 2009
- Business
- Hitachi Metals, Ltd. Hitachi Metals, Ltd. (HMTLY), now operating as Proterial, Ltd. following its acquisition by a Bain Capital-led consortium in late 2024 for approximately $7.5 billion and subsequent delisting from the Tokyo Stock Exchange, manufactures advanced high-performance materials primarily for the automotive, industrial infrastructure, electronics, aerospace, and energy sectors; core products and services encompass specialty steels such as molds and tool steel, Yasugi specialty steel, industrial materials including alloyed steels, stainless steels, bearing steels, and metal powders for 3D printing; rolls for steel mills; automotive castings and components like forged products, CVT belt materials, heat-resistant exhaust parts, electric parts, brake hoses, and harnesses; magnetic materials including Neomax rare-earth Nd-Fe-B magnets; power electronics such as nano-crystal soft-magnetic Finemet materials; electronic materials; soft magnetic components; ceramics components; electric wire and cable; and aerospace and energy materials like clad metals for batteries and heat spreaders. The company, founded in 1956 as a spin-off from Hitachi, Ltd. and headquartered in Tokyo, Japan, maintains global operations across North America, Europe, China, and Asia, serving OEMs, Tier 1 suppliers, and manufacturers in high-growth areas including vehicle electrification, robotics, and sustainable technologies. Recent major changes include the completion of its tender offer and full ownership transition to the Bain Capital consortium in December 2024, enabling accelerated transformation, large-scale investments, and medium- to long-term growth strategies independent of prior parent constraints; a rebranding to Proterial, Ltd. in January 2023 to emphasize material innovation; and ongoing expansion in EV-related products, power electronics, and additive manufacturing materials to capitalize on electrification and Industry 4.0 trends.