Corrosion resistant powder and coating
AssigneePraxair S.T. Technology, Inc.
InventorsWilliam John Crim Jarosinski, Lewis Benton Temples
Life of this patent
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Abstract
The invention is a corrosion resistant powder useful for deposition through thermal spray devices. The powder consists essentially of, by weight percent, 30 to 60 tungsten, 27 to 60 chromium, 1.5 to 6 carbon, a total of 10 to 40 cobalt plus nickel and incidental impurities plus melting point suppressants.
Claims20
A corrosion resistant powder useful for deposition through thermal spray devices, the powder consisting essentially of, by weight percent, about 30 to 60 tungsten, about 27 to 60 chromium, about 1.5 to 6 carbon, a total of about 10 to 40 cobalt plus nickel and incidental impurities plus melting point suppressants.
A corrosion resistant powder useful for deposition through thermal spray devices, the powder consisting essentially of, by weight percent, about 30 to 55 tungsten, about 27 to 55 chromium, about 1.5 to 6 carbon, a total of about 10 to 35 cobalt plus nickel and incidental impurities and 0 to 5 melting point suppressants.
A corrosion resistant powder useful for deposition through thermal spray devices, the powder consisting essentially of, by weight percent, about 30 to 50 tungsten, about 30 to 50 chromium, about 1.5 to 5 carbon, a total of about 10 to 30 cobalt plus nickel and incidental impurities and 0 to 3 melting point suppressants.
A corrosion resistant coating having good wear resistance, the coating consisting essentially of, by weight percent, about 30 to 60 tungsten, about 27 to 60 chromium, about 1.5 to 6 carbon, a total of about 10 to 40 cobalt plus nickel and incidental impurities and melting point suppressants.
Dependencies are inferred from the claim text.