Tokyo Boeki Materials First to Install 'Two-Color Pyrometer Imaging System' at Jonan Steel Co., Ltd.
Tokyo Boeki Materials has installed a 'Two-Color Pyrometer Imaging System' for the first time at Jonan Steel. This system visualizes and automates slag detection during the pouring of molten steel, improving operational safety and saving labor, thereby promoting digital transformation in the steel industry.
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- 📰 Published: May 14, 2026 at 22:00
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Tokyo Boeki Materials Corporation (Chuo-ku, Tokyo; President and CEO: Shin Itaba), a group company of the Tokyo Boeki Group (Kyobashi, Chuo-ku, Tokyo; Representative Director, President and CEO: Shusuke Tsubouchi), has provided Novitec's 'Two-Color Pyrometer Imaging System' to Jonan Steel Co., Ltd., which has now been fully implemented at their plant. This system visualizes slag detection when pouring molten steel from an electric furnace into a tundish, enabling automatic opening and closing of a slide gate through remote monitoring. This not only improves the safety of the working environment but also contributes to technology succession and labor savings.
Monitoring the pouring from the ladle to the tundish. Remote monitoring screen.
### Background of the 'Two-Color Pyrometer Imaging System' Implementation
Previously, slag detection when pouring molten steel from an electric furnace ladle into a tundish was performed by skilled workers visually checking the state of the molten steel, which exceeds 1500°C. However, monitoring for several minutes every hour in a high-temperature environment was a significant burden on workers, and digitalization had been a long-standing issue from the perspectives of safety and skill succession. On the other hand, measurement in this environment was difficult with general thermal cameras, making practical application challenging.
In response to these challenges, Tokyo Boeki Materials focused on Novitec's 'Two-Color Pyrometer Imaging System.' After more than three months of verification and adjustment with Jonan Steel, they succeeded in stably visualizing the molten steel temperature during casting, leading to this full-scale implementation.
Tokyo Boeki Materials will continue to work with customers to solve on-site issues and provide digital solutions that contribute to improving safety and productivity at manufacturing sites in the steel industry.
d98548-194-e81c1f274b81937dda8891410da4b7dc.pdf
### About Tokyo Boeki Materials
Tokyo Boeki Materials Corporation continues to contribute to solving customer challenges and the development of society as a 'comprehensive material provider in the steel industry,' while inheriting the steel-related business, the 'founding business' of Tokyo Boeki since its establishment.
https://www.tokyo-boeki-materials.co.jp/
### About the Tokyo Boeki Group
The Tokyo Boeki Group is a business development trading group consisting of the holding company, Tokyo Boeki Holdings Corporation (27F Kyobashi Edogrand, 2-2-1 Kyobashi, Chuo-ku, Tokyo; Representative Director, President and CEO: Shusuke Tsubouchi), and 16 unique domestic and overseas operating companies, for a total of 17 companies. It celebrated its 78th anniversary since its founding in 1947.
Focusing on the four segments of Energy Infrastructure, Smart Manufacturing, Image Solutions, and Material Supply, the group aims to continue providing new value to the world by leveraging its comprehensive strength while each company develops highly specialized businesses.
The Tokyo Boeki Group will continue to embrace change, foster innovation under a free and open-minded culture, and contribute to the realization and sustainability of a better society where all stakeholders can lead safe and secure lives and engage in economic and social activities.
Tokyo Boeki Holdings HP https://www.tokyo-boeki.co.jp/
Monitoring the pouring from the ladle to the tundish. Remote monitoring screen.
### Background of the 'Two-Color Pyrometer Imaging System' Implementation
Previously, slag detection when pouring molten steel from an electric furnace ladle into a tundish was performed by skilled workers visually checking the state of the molten steel, which exceeds 1500°C. However, monitoring for several minutes every hour in a high-temperature environment was a significant burden on workers, and digitalization had been a long-standing issue from the perspectives of safety and skill succession. On the other hand, measurement in this environment was difficult with general thermal cameras, making practical application challenging.
In response to these challenges, Tokyo Boeki Materials focused on Novitec's 'Two-Color Pyrometer Imaging System.' After more than three months of verification and adjustment with Jonan Steel, they succeeded in stably visualizing the molten steel temperature during casting, leading to this full-scale implementation.
Tokyo Boeki Materials will continue to work with customers to solve on-site issues and provide digital solutions that contribute to improving safety and productivity at manufacturing sites in the steel industry.
d98548-194-e81c1f274b81937dda8891410da4b7dc.pdf
### About Tokyo Boeki Materials
Tokyo Boeki Materials Corporation continues to contribute to solving customer challenges and the development of society as a 'comprehensive material provider in the steel industry,' while inheriting the steel-related business, the 'founding business' of Tokyo Boeki since its establishment.
https://www.tokyo-boeki-materials.co.jp/
### About the Tokyo Boeki Group
The Tokyo Boeki Group is a business development trading group consisting of the holding company, Tokyo Boeki Holdings Corporation (27F Kyobashi Edogrand, 2-2-1 Kyobashi, Chuo-ku, Tokyo; Representative Director, President and CEO: Shusuke Tsubouchi), and 16 unique domestic and overseas operating companies, for a total of 17 companies. It celebrated its 78th anniversary since its founding in 1947.
Focusing on the four segments of Energy Infrastructure, Smart Manufacturing, Image Solutions, and Material Supply, the group aims to continue providing new value to the world by leveraging its comprehensive strength while each company develops highly specialized businesses.
The Tokyo Boeki Group will continue to embrace change, foster innovation under a free and open-minded culture, and contribute to the realization and sustainability of a better society where all stakeholders can lead safe and secure lives and engage in economic and social activities.
Tokyo Boeki Holdings HP https://www.tokyo-boeki.co.jp/