Heat-resistant and corrosion-resistant weld metal alloy and weld

Details Heat-resistant and corrosion-resistant weld metal alloy and weld Heat-resistant and corrosion-resistant weld metal alloy and weld

1982-05-24

1984-04-17

Rutledge, L. Dewayne

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

420586, 420585, 428685, 22826313, 21914623, C22C 3000

Patent

active

044434065

ABSTRACT:
A heat-resistant and corrosion-resistant weld metal alloy consisting essentially of, by weight, less than 0.08% of C, 0.1 to 1.0% of Si, 2 to 3% of Mn, 32 to 42% of Ni, 21 to 25% of Cr, 0.8 to 1.7% of Mo, 0.1 to 1.0% of Nb, up to 0.5% of Ti, up to 2% of Co, up to 2% of Cu, up to 1% of W, up to 0.2% of N, up to 1.0% of V, up to 1.0% of Zr, up to 1.0% of Ta and the balance Fe, wherein the following conditions are met: Ti+Zr.ltoreq.1.0%, Ni+Co.ltoreq.42%, W+V.ltoreq.1.0%, Nb+Ta.ltoreq.1.0%, and 4.ltoreq.Nb/C.ltoreq.15; and an austenitic welded structure composed of an austenitic structural alloy and of a weld metal of the above-mentioned kind are provided by the invention.

REFERENCES:
patent: 2994605 (1961-08-01), Gill et al.
patent: 3288575 (1966-11-01), Bystram et al.
patent: 3694271 (1972-09-01), Egnell
patent: 4035182 (1977-07-01), Kowaka et al.

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