F-40
Citation:
F-40. N. Fujita, K. Kusumi, K. Matsumura, T. Nonaka, And T. Tomokiyo, “Present Situation and Future Trend of Ultra-High Strength Steel Sheets for Auto-Body” Nippon Steel Technical Report No. 103 May 2013.
N-8
Citation:
N-8. T. Nonaka, K. Goto, H. Taniguchi, and K. Yamazaki, “Development of Ultra-High-Strength Cold-Rolled Steel Sheets for Automotive Use,” Nippon Steel Technical Report No. 88 July 2003.