Title: Heat-resistant alloy for welded structures

Abstract: A heat-resistant alloy suitable for welded structures, particularly suitable for nuclear reactors, and free from the adverse effect of the cobalt used therein, which alloy has a basic composition comprising; 0.01-0.2% C, not more than 0.50% Si, not more than 0.50% Mn, 10 to 25% Cr, not more than 0.030% B, not more than 0.50% Zr, not more than 20% of (Mo+1/2W), 0.001 to 0.04% Y, not more than 2.0% Al, and not more than 1.0% Ti, with the balance being Ni and unavoidable impurities.

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Inventors: Hosoi, Yuzo (Tokyo, JP)
Shinoda, Noboru (Tokyo, JP)
Tsuchida, Yutaka (Kawasaki, JP)
Sekino, Shozo (Kitakyushi, JP)
Sakakihara, Mizuo (Munakata, JP)
Murota, Shoji (Kitakyushi, JP)

Application Number: 886655
Filing Date: 1978-03-15
Publication_date: 1980-10-14
Assignee: Nippon Steel Corporation (Tokyo, JP)
Primary Class(es): 420/443 420/448, 420/450, 420/453
Other Classes:
US Patent Ref:

3832167	Aug, 1974	Shaw et al.	75/171.
3865581	Feb, 1975	Sekino et al.	75/171.
3907552	Sep, 1975	Kennedy	75/171.

Other Refs:
Primary Examiner: Dean, R.
Assistant Examiner:
Attorney: Toren, McGeady and Stanger