Alloy resistant to seawater and other corrosive fluids

Details Alloy resistant to seawater and other corrosive fluids Alloy resistant to seawater and other corrosive fluids

1986-12-29

1988-08-23

Yee, Deborah

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

420584, 420585, 420586, C22C 3002

Patent

active

047659572

ABSTRACT:
The alloys of this invention are of low strategic element content, nonmagnetic, resistant to damage by chloride- or other halide-containing solutions as well as to a wide variety of other chemical agents, airmeltable, castable, of improved fabricability and weldability and of higher chromium level but lower molybdenum contents than other alloys intended for chloride resistance. The alloys consist by weight percentages of from about 13.5% to about 29% Ni, from about 23 to about 26% Cr, from about 3.75 to about 6% Mo, from about 2.95 to about 4.5% Mn, from about 3 to about 6.39% Cu, from about 0.3 to about 2.07% Cb (Nb), from about 0 to about 1.5% Si, from about 0 to about 0.09% C, from about 0.10% to about 0.45% N, up to about 1% V, up to about 1% Ti, up to about 5% Co, as a partial substitute for Ni, up to about 0.3% Ce, La or Misch metal, and the balance essentially iron. The sum of the Ni and Co content is between about 18.5% and about 29% by weight.

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