1. 1) K.Yoshida: Influence of Scale Properties on Surface Characteristics of Steels, ISIJ, Tokyo, (2005), 1 (in Japanese).
2. 2) Handbook of Iron and Steel 3rd ed., Vol.III(1), ed. by ISIJ, Maruzen, Tokyo, (1981), 401 (in Japanese).
3. 3) Handbook of Iron and Steel 5th ed., Vol.3, ISIJ, Tokyo, (2014), 453 (in Japanese).
4. 4) S.Taniguchi: Bull. Iron Steel Inst. Jpn., 13(2008), 26 (in Japanese).
5. 5) H.A.Wriedt: Binary Ally Phase Diagrams, 2nd ed., Vol. 2, ASM International, Metals Park, OH, (1990), 1739.