NIPPON KINZOKU CO., LTD. (Headquarters: Minato-ku, Tokyo; President: Yasushi Shimokawa; TOKYO: 5491) and its subsidiary, NIKKIN DENJI KOGYO CO., LTD. (Headquarters: Kawaguchi, Saitama; President: Akira Nishimura), are launching a strategic sales initiative for their ultra-thin Grain-Oriented (GT Series) and Non-Oriented (ST Series) electrical steel strips under the brand name "Fine Eco Metal".
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By reducing the thickness of the electrical steel strip, eddy current loss (core loss) can be significantly lowered. Eddy currents are electrical currents generated within the electrical steel strip by alternating magnetic fields; they are a primary factor that increases core loss.
"Fine Eco Metal" is a brand name for our proprietary "Eco-Product" series, certified based on our own environmental standards.
Background and Objectives: Addressing the "Shift to Electrification"
Amid the global movement toward a decarbonized society, there is an increasing demand for the electrification and higher efficiency of equipment. This has intensified the need to minimize energy loss (core loss), particularly in high-frequency ranges.
Leveraging years of proprietary rolling and advanced heat treatment technologies, we have successfully achieved both "unmatched thinness" and "superior magnetic properties" - a combination typically difficult to reach with conventional electrical steel. By positioning these products as "Fine Eco Metal," we aim to accelerate our solutions for customers developing next-generation technologies.
Product Lineup
1) Ultra-Thin Grain-Oriented Electrical Steel Strips: "GT Series"
By aligning the crystal grain orientation in a specific direction, this series delivers exceptionally high magnetic properties in that direction. Being significantly thinner (0.04mm to 0.10mm) than conventional grain-oriented strips, it dramatically reduces eddy current loss in high-frequency environments.
Applications: High-frequency transformers, reactors, pulse power supplies, magnetic shielding, etc.
2) Ultra-Thin Non-Oriented Electrical Steel Strips: "ST Series"
This series exhibits nearly uniform magnetic properties in all directions. It significantly suppresses eddy current loss within motors and demonstrates excellent low-loss characteristics across the high-frequency range of 400Hz to 20,000Hz, contributing significantly to higher efficiency and miniaturization of motor designs.
Applications: High-speed motors for drones, electric compressor motors, high-speed medical motors, cryogenic motors, etc.
Outlook: Contributing to Sustainable Manufacturing
Through the expansion of these products, we aim to empower innovative development in high-efficiency motors, next-generation power electronics, and high-frequency transformers.
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https://www.nipponkinzoku.co.jp/assets/images/2026/07/20260709-En-Press-Release.pdf
About NIPPON KINZOKU Group
Our products have been used in a range of areas from the precision field to the construction industry. https://www.nipponkinzoku.co.jp/en/
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