1. 1) Y. Ishiguro, S. Otsuka, D. Mizuno and K. Fujimura: CAMP-ISIJ, 26 (2013), 974.
2. 2) Y. Ishiguro, S. Otsuka, D. Mizuno and K. Fujimura: CAMP-ISIJ, 26 (2013), 975.
3. 3) JIS Z3113-1975: 1975, Method for Measurement of Hydrogen Evolved from Deposited Metal, JISC.
4. 4) IIW Doc. II A-474-79: 1997.
5. 5) ISO 3690: 2012, Determination of Hydrogen Content in Ferritic Steel Arc Weld Metal.