Kabushiki Kaisha Kobe Seiko Sho

Japan Atomic Energy Agency

Kobelco Research Institute, Inc.

Nobutoshi Maruyama

Jumpei Nakayama

Ichiro Tsukatani

Kiyoshi Kiuchi

Ikuo Ioka

Chiaki Kato

Makoto Tanabe

Disclosed is an austenitic welding material which contains C: 0.01 wt % or less, Si: 0.5 wt % or less, Mn: 0.5 wt % or less, P: 0.005 wt % or less, S: 0.005 wt % or less, Ni: 15 to 40 wt %, Cr: 20 to 30 wt %, N: 0.01 wt % or less, O: 0.01 wt % or less, and the balance of Fe and inevitable impurities, wherein the content of B contained as one of the inevitable impurities in the welding material is 3 wt ppm or less, and the total content of C, P, S, N and O in the welding material is 0.02 wt % or less.

Austenitic welding material, and preventive maintenance method for stress corrosion cracking and preventive maintenance method for intergranular corrosion, using same

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Hitachi, Japan

Nobutoshi Maruyama