US 11,732,332 B2
Nickel-base alloy welding material, welding material for nuclear reactor, nuclear power apparatus and nuclear power structure, and method of repairing nuclear power apparatus and nuclear power structure
Yoshinori Katayama, Yokohama Kanagawa (JP); Wataru Kono, Yokohama Kanagawa (JP); Minoru Obata, Yokohama Kanagawa (JP); Yasuo Morishima, Yokohama Kanagawa (JP); Takahiro Hayashi, Yokohama Kanagawa (JP); Yumiko Abe, Yokohama Kanagawa (JP); and Daiki Tanaka, Yokohama Kanagawa (JP)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Energy Systems & Solutions Corporation, Kawasaki (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, Kawasaki (JP)
Filed on May 5, 2020, as Appl. No. 16/866,578.
Claims priority of application No. 2019-099421 (JP), filed on May 28, 2019; and application No. 2019-215731 (JP), filed on Nov. 28, 2019.
Prior Publication US 2020/0377974 A1, Dec. 3, 2020
Int. Cl. C22C 19/05 (2006.01); B23K 35/30 (2006.01); B23K 9/00 (2006.01)
CPC C22C 19/053 (2013.01) [B23K 9/00 (2013.01); B23K 35/304 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A nickel-base alloy welding material comprising: Cr (chromium) larger than 30.2% and less than or equal to 36.0% by mass; C (carbon) less than or equal to 0.050% by mass; Fe (iron) larger than or equal to 1.00% and less than or equal to 3.00% by mass; Si (silicon) less than or equal to 0.50% by mass; Nb (niobium)+Ta (tantalum) less than or equal to 3.00% by mass; Ti (titanium) larger than or equal to 0.001% and less than or equal to 0.70% by mass; Mn (manganese) larger than or equal to 0.10% and less than or equal to 3.50% by mass; Cu (copper) less than or equal to 0.5% by mass; Zr (zirconium) larger than or equal to 0.001% and less than or equal to 0.05% by mass, V (vanadium) larger than or equal to 0.001% and less than or equal to 0.5% by mass, B (boron) larger than or equal to 0.01% and less than or equal to 0.05% by mass, and a remainder is Ni and unavoidable impurities.