Corrosion resistant alloy

Details Corrosion resistant alloy Corrosion resistant alloy

1988-04-01

1989-04-25

Rutledge, L. Dewayne

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

420584, 420587, C22C 3002

Patent

active

048246387

ABSTRACT:
The alloys of this invention are of low strategic element content, non-magnetic, resistant to chloride-containing solutions as well as a wide range of other chemical agents, air-meltable, castable, of greatly improved fabricability and weldability, and consist by weight percentages of from about 20.5% to about 35.5% by weight Ni, from about 23.5% to about 27.5% by weight Cr, from about 4.0% to about 6.7% by weight Mo, from about 0.7% to about 3.6% by weight Cu, up to about 0.09% by weight C, up to about 1.5% by weight Si, up to about 5% by weight Co, up to about 0.45% by weight N, up to about 1% by weight Ti, up to about 0.8% by weight Cb, and up to about 0.3% by weight Ce, La or Misch metal, up to about 2% by weight Mn, up to about 1.6% by weight Ta, and the balance essentially iron
The combined content by weight of Ni plus Co is at least about 25.5% by weight and exceeds the weight content of Cr by at least 2% but by not more than 8%.

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