K-57
Citation:
K-57. Courtesy of T. Kondo, Nissan Motor Co., Ltd.
K-45
Citation:
K-45. T. Kondo, “The highest strength (1.5GPa) steel application for cold stamping parts” presented at Materials in Car Body Engineering 2021, June 9, 2021.
K-44
Citation:
K-44. T. Kondo and K. Ishiuchi, “1.2GPa Advanced High Strength Steel with High Formability,” SAE Technical Paper 2014-01-0991, 2014, doi.org/10.4271/2014-01-0991.