Embraced in Recycled Steel
Office for KYOEI STEEL LTD.
Seamlessly blending innovation and sustainability, this office redefines the relationship between architecture and recycled steel. The facade, inspired by stacked billets, symbolizes material regeneration, while the interior integrates the company’s own steel products with precision and elegance. Designed to embody Kyoei Steel’s vision, the space fosters creativity, collaboration, and efficiency, minimizing environmental impact while reinforcing the company’s expertise, technological advancements, and commitment to sustainable and responsible manufacturing.
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Download Press Kit № 170802 Office for KYOEI STEEL LTD. by Nobuaki Miyashita to access high-res images, essential texts, translations, and exclusive interviews—all in one.
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Embraced in Recycled Steel by Nobuaki Miyashita
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Office by Nobuaki Miyashita
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Nobuaki Miyashita Embraced in Recycled Steel
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Nobuaki Miyashita Office
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KYOEI STEEL LTD Brand Logo
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Unique Properties
Kyoei Steel recycles steel scrap using electric furnaces. The new Yamaguchi office themed An Office Embraced in Recycled Steel embodies this transformation. The exterior draws from stacked billets while the interior uses locally sourced angle steel and rebars. Barcode and QR code designs extend through office spaces, harmonizing steel and light. The lighting design transforms these patterns into three dimensional forms, adding depth and movement, symbolizing Kyoei Steel’s identity and vision.
Tags
architecture, office, lighting design, recycled steel, sustainable design
Production Technology
The building’s exterior adopts a stacked structure inspired by Kyoei Steel’s billets, with special coatings creating textural variations symbolizing recycling. The interior features angle steel, flat bars, and deformed steel bars as finish materials, bringing typically hidden structural elements into the architectural expression. The lighting design integrates seamless LED fixtures shaped like billets, harmonizing with steel louvers on the ceiling for a cohesive lighting environment.
Design Challenge
The main challenge was to create an architecture that symbolizes the company’s identity without compromising factory functionality. The project required extensive testing to utilize steel materials not only structurally but also aesthetically. Special focus was given to the QR code-inspired vertical design and lighting integration, which underwent multiple prototypes and refinements to achieve the desired effect.
Project Duration
The project commenced in early 2022 in Yamaguchi, Japan, with design and planning phases focused on integrating Kyoei Steel’s identity into the architecture. Construction began in mid-2023, aiming to unify office functions while enhancing operational efficiency and employee engagement. The office was completed in early 2024, creating a sustainable workspace that embodies the company’s commitment to steel recycling and innovation.
Operation Flow
This building visualizes Kyoei Steel’s recycling process, transforming the journey of recycled scrap metal into an architectural experience. The stacked billet-inspired exterior symbolizes material circulation, while the interior features angle steel and deformed bars as finish materials. The stairwell integrates a QR code motif with lighting, creating an interplay of steel and light that intuitively communicates the company’s technology and commitment to sustainability.
Research
Type of Research: Architectural design research Research Objectives: Exploring recycled steel’s potential in architecture Methodology: Material analysis and spatial testing Data Collection: Mock-ups and lighting simulations Participants: Designers, engineers, technical experts Results: The building serves as a showroom, demonstrating recycled steel’s architectural potential Impact: Set a benchmark for sustainable design while enhancing corporate branding and public awareness
Inspiration
The design reflects the process of transforming recycled scrap metal into new steel products, embodying Kyoei Steel’s commitment to sustainability. The stacked billet-inspired structure symbolizes the recycling and regeneration of steel resources, visually expressing the company's dedication. The interior incorporates the company’s own steel materials, such as angle steel, rebars, and flat bars, ensuring their strength, durability, and aesthetic appeal are fully showcased throughout the space.
Image Credits
Image #1,#3,#4 : Photographer Nobuaki Miyashita Variations, 2024 Image #2,#5 : Photographer Sato Kenta, Variations, 2024.
Project Overview
Embraced in Recycled Steel Office has been a Golden winner in the Architecture, Building and Structure Design award category in the year 2024 organized by the prestigious A' Design Award & Competition. The Gold A' Design Award is granted to designs that demonstrate a high level of innovation and a significant impact on their intended audience. Recognized as a major achievement by the A' Design Awards, these designs are characterized by their visionary approach and the exceptional skill of their creators. Winners of the Gold A' Design Award are noted for their ability to push the envelope in art, science, design, and technology, delivering solutions that not only meet but exceed expectations. These designs serve as benchmarks for excellence, encouraging further innovation and inspiring future generations of designers.
Golden Recognition
Nobuaki Miyashita was recognized with the coveted Golden A' Design Award in 2025, a testament to excellence of their work Embraced in Recycled Steel Office.
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