en.Wedoany.com Reported - On April 15, Japanese integrated aluminum manufacturer UACJ Corporation announced the launch of a green aluminum round bar product manufactured using 100% renewable energy. This product is an extruded aluminum round bar. Compared to round bars made from conventional new aluminum ingots, the greenhouse gas emissions during its manufacturing process can be reduced by over 50%.
UACJ Corporation is one of the world's leading integrated aluminum manufacturers, primarily engaged in the manufacturing and sales of aluminum rolled products, extruded products, foil products, and cast and forged products. It has 58 affiliated companies. Its consolidated revenue for the fiscal year ending March 2025 reached 998.78 billion yen, with a total of approximately 10,203 employees (as of March 2025). The company began selling Japan's first general-purpose thin aluminum sheet produced entirely with renewable energy in October 2025. This launch of the green aluminum round bar marks its first adoption of green metal materials in the extrusion processing field.
The newly launched green aluminum round bar is produced and managed using the mass balance method. The mass balance method is a management approach where, during the material manufacturing process, a corresponding proportion of the finished product is certified as green metal based on the input ratio of green raw materials (such as primary metals produced using renewable energy electricity or recycled materials). This product is sold under UACJ Group's environmentally friendly materials and products brand "ALmitas⁺ SMART." The quality of the aluminum material itself remains consistent with traditional products, with the difference stemming solely from the source of electricity used during smelting.
Aluminum extruded round bars are high-volume general-purpose products widely used in industrial fields such as semiconductor manufacturing equipment and transportation equipment. UACJ plans to actively promote this product in these markets and is considering incorporating copper products into its green metal product line as well.
Aluminum smelting is an energy-intensive industry, with its greenhouse gas emissions primarily coming from electricity consumption. According to industry data, electricity-related carbon emissions account for over 75% of carbon emissions in electrolytic aluminum production. Replacing traditional thermal power with renewable energy is one of the most effective measures for carbon reduction in the aluminum industry at this stage. The Japan Aluminium Association aims to increase the proportion of recycled metal usage from 48% to 75% by 2050, achieving a 78% reduction in carbon dioxide emissions compared to 2017 levels. UACJ's green aluminum round bar product provides downstream customers in fields like semiconductor manufacturing equipment and transportation equipment with an optional low-carbon material solution.
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