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US 5,516,485 AGranted
Weldable cast heat resistant alloy
AssigneeCarondelet Foundry Company
InventorJohn H. Culling
Life of this patent
Estimating the term…
Abstract
Air meltable, weldable cast alloys of high hot strength and hot gas corrosion resistance especially in the service temperature range of about 1800.degree. F. to 2100.degree. F. which consist essentially of: ______________________________________ Nickel 41-54% by weight Chromium 24-29% Iron 8-18% Cobalt 3-8% Tungsten 4.5-6.5% Molybdenum 4-6.5% Niobium 0.8-2% Manganese 0.1-1.5% Silicon 0.1-1.5% Carbon 0.2-0.4% ______________________________________ provided, that the nickel plus cobalt content is at least about 45%.
Claims6
A Ni--Cr--Fe alloy consisting of:
- ______________________________________ Nickel 41-54% by weight Cobalt 3-8% Chromium 24-29% Iron 8-18% Tungsten 4.5-6.5% Molybdenum 4-6.5% Niobium 0.8-2% Manganese 0.1-1.5% Silicon 0.1-1.5% Carbon 0.2-0.4% Titanium up to 0.5% Boron up to 0.005% Aluminum up to 0.5% ______________________________________
- provided that the nickel plus cobalt content is at least about 45%, the alloy being meltable and castable in air and having good high temperature hot strength.
Dependencies are inferred from the claim text.