- Business
- Tokyo Steel Manufacturing Co., Ltd. engages in the manufacture and sale of steel products primarily using electric arc furnace (EAF) technology, focusing on environmentally friendly steel production through recycling steel scrap. Its product portfolio includes steel building materials such as standard and high-grade electric furnace H-beams, special size (tuned-H) beams, striped beams, channels, I-beams, U-shape sheet piles, deformed bars, cold-rolled square steel pipes, and steel plate products including hot coils, pickling coils, hot-dip galvanized coils, striped coils, cut sheets, and high-standard electric arc furnace steel sheets. The company operates mainly in Japan, Asia, and internationally, with key production facilities including the Okayama Works where a recent upgrade to the hot-dip galvanizing line is underway to improve versatility and efficiency in steel manufacturing.
Recent significant changes include a major upgrade to its Okayama Works' galvanizing line, converting it into a continuous annealing and galvanizing line (CAGL) to enhance production capabilities for both cold-rolled and hot-dip galvanized coils, scheduled to begin operation in early 2027. In addition, Tokyo Steel launched low-carbon steel brands like "Almost Zero" and is actively advancing sustainability by supporting Japan’s 2050 carbon neutrality target and participating in industry-wide environmental initiatives promoting renewable energy and greenhouse gas reduction. The company has also initiated an equity buyback program and increased international market engagement with notable large orders such as one secured in Singapore early 2025.
Founded in 1934 and headquartered in Tokyo, Japan, Tokyo Steel Manufacturing is recognized as Japan’s largest electric arc furnace steel producer and holds the highest domestic production volume of H-sections. Its strategic focus includes product diversification, sustainability leadership in low-carbon steel production, and operational improvements to maintain competitiveness in the domestic and global steel markets. The company supports ambitious energy efficiency and carbon reduction policies while leveraging advanced process technologies through strategic partnerships with firms like Primetals Technologies for technical upgrades.
Tokyo Steel serves a wide range of industries including construction, infrastructure, and manufacturing, targeting customers requiring steel materials with high quality, specialized sizing, and sustainability credentials. The company operates several plants including the Utsunomiya Plant, producing electric furnace steel products, and emphasizes circular economy principles by utilizing recycled steel scrap as a core raw material.
Overall, Tokyo Steel Manufacturing Co., Ltd. is positioned as an innovative steel producer focused on electric furnace technology, sustainable practices, and continuous product and operational enhancements to meet evolving market and regulatory demands in Japan and abroad.