Other

Masami Shindo

Hajime Nakajima

Teiichiro Saito

Tamao Takatsu

Yuji Kurata

Hirokazu Tsuji

The improved filler metal for use in the welding of Ni&mdash;Cr&mdash;W alloys that are excellent in high-temperature strength and corrosion resistance and which are used in the hot-zone structures of high-temperature gas-cooled reactors, gas turbines, etc comprises on a mass basis C&lE;0.05%, Mn&lE;0.1%, Si&lE;0.1% (Mn&plus;Si&lE;0.1%), Cr&equals;17-20%, W&equals;20-23% (Cr&plus;W&equals;39-43%), Ti&equals;0.02-0.1%, Zr&lE;0.03%, Y&lE;0.015%, B&equals;0.0003-0.01%, Al&lE;0.1%, Mg&lE;0.05%, Nb&lE;0.06% (10Zr&plus;10B&plus;5Nb&plus;2Y&lE;0.3%), the balance being Ni and incidental impurities.

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Ibaraki-ken, Japan

Masami Shindo