We aim to be a comprehensive engineering company as experts in special steel.
The development areas of Tohoku Special Steel Co., Ltd. cover a wide range, primarily focusing on automotive-related parts, as well as precision machinery, electronic devices, office automation equipment, and medical devices. As a specialized manufacturer of high-grade special steel, we aim to meet the trust of our customers and further explore the possibilities of special steel. We aspire to be a comprehensive engineering company that includes heat treatment, surface treatment, cold and warm forging processing, and precision machining. 【Business Activities】 ○ Manufacturing, processing, and sales of various special steel materials For more details, please contact us or download the catalog.
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【Products Handled】 [Special Steel Materials] ○ Pb-free TICS free-cutting electromagnetic stainless steel, high-hardness electromagnetic stainless steel, free-cutting Invar-Coval ○ Special steel materials: heat-resistant steel, stainless steel ○ Magnetic materials: electromagnetic stainless steel, high permeability electromagnetic materials, permalloy ○ Alloys: low thermal expansion alloys [Special Alloys (magnetic materials, heat-resistant alloys, corrosion-resistant alloys, low expansion materials, electronic materials, deposition substrates, sealing materials)] ○ Contract melting and forging → Manufacturing of products with various component systems in small lots and short delivery times ○ Development and testing → New material development, prototype manufacturing, material and component testing and analysis [Precision Machined Products] ○ Achieving minimum costs through integrated manufacturing from raw materials to forging, cutting, and heat treatment processing [Heat Treatment Processing] ○ Heat treatment: vacuum quenching and tempering, magnetic annealing ○ Diffusion bonding, thermal pressing ○ Surface treatment → Kirin Coat S, Kirin Coat C, PVD treatment, gas nitriding treatment [Equipment Products] ○ Development, manufacturing, and sales of magnetic measurement instruments and magnetic application products utilizing magnetic properties ● For more details, please contact us or download the catalog.
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Tohoku Special Steel Co., Ltd. has built a close partnership with Tohoku University and the Institute for Materials Research over its more than 70-year history. Through mutual research exchanges, we have commercialized many new alloys and technologies. Our development areas cover a wide range, primarily focusing on automotive-related parts, as well as precision instruments, electronic devices, office automation equipment, and medical devices. As a specialized manufacturer of high-quality special steel, we aim to meet the trust of our customers and further explore the potential of special steel by striving to be a comprehensive engineering company that includes heat treatment, surface treatment, cold and warm forging, and precision machining.