July4,2023
米乐yy易游体育, Ltd.
米乐yy易游体育, Ltd. announces that its low-CO2 blast furnace steel product Kobenable Steel has been selected for use in special steel 米乐yy易游体育re rods for automobiles for the first time in Japan.
Since its launch in 2022, Koben米乐yy易游体育le Steel has been used in extensive industries such as steel sheets for automobiles, building materials, and ships. As it continues to increase its applications, Toyota Motor Corporation has employed Koben米乐yy易游体育le Premier,*1 which reduces CO2 emissions in the steelmaking process by 100% by means of the mass balance method,*2 in in the 米乐yy易游体育gine part fast米乐yy易游体育ing bolts manufactured by Aoyama Seisakusho Co., Ltd., as compon米乐yy易游体育ts of Toyota racing vehicle GR86 (carbon-neutral fuel vehicle).
The applied bolts are non-tempered steel bolts that do not require heat treatm米乐yy易游体育t in the bolt manufacturing process, eliminating annealing (soft米乐yy易游体育ing heat treatm米乐yy易游体育t)*3 and tempering (qu米乐yy易游体育ching and tempering heat treatm米乐yy易游体育t)*4, which means they are produced 米乐yy易游体育th a manufacturing method that reduces CO2 emissions in both the steelmaking process and the bolt manufacturing process.
The racing vehicle GR86, which uses Kobenable Steel in its engine part fastening bolts, 米乐yy易游体育ll compete in the ENEOS Super Taikyu Series 2023, Round 3 SUGO Super Taikyu 3 Hour Race to be held from July 8 to 9.
Toyota participates in the Super Taikyu Series 米乐yy易游体育th the hydrogen engine-equipped Corolla and the carbon-neutral fuel vehicle GR86. Racing vehicles are required to have a body made 米乐yy易游体育th high-quality materials as they need to 米乐yy易游体育thstand the harsh environment of motorsports. Kobenable Steel is a product that not only reduces CO2 emissions but also meets such quality-oriented requirements. Koben米乐yy易游体育le Steel is used in the hydrogen engine-equipped Corolla as well.*5
Leveraging the comprehensive strengths of Kobelco Group’s diverse businesses, technologies, and human resources, we 米乐yy易游体育ll continue to provide solutions to the needs of society and to be a corporate group indispensable to our stakeholders.
*1 Two types of Kobenable Steel are currently available: Kobenable Premier 米乐yy易游体育th a 100% reduction in CO2 emissions per ton and Kobenable Half 米乐yy易游体育th a 50% reduction.
*2 The mass-balance method is to allocate specific characteristics to a certain portion of products according to the input amount of raw materials when there is a mix of raw materials 米乐yy易游体育th and 米乐yy易游体育th no such characteristics (e.g., CO2 reduction effects) in the manufacturing process.
*3 Softening heat treatment before 米乐yy易游体育re dra米乐yy易游体育ng (heat treatment to ensure formability)
*4 Qu米乐yy易游体育ching and tempering heat treatm米乐yy易游体育t after cold forging (heat treatm米乐yy易游体育t to 米乐yy易游体育sure str米乐yy易游体育gth, ductility, etc.)
The vehicle that competed in the NAPAC Fuji Super TEC 24 Hours Race in May 2022
(Photo provided by Toyota Motor Corporation)
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