Stainless steel and carbon steel composite and method of producing the same

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United States of America Patent

PATENT NO 5529644
SERIAL NO

08453929

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Abstract

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A pressure-bonded composite material includes at least one layer of a stabilized low carbon steel core material and one layer of a stainless steel joined at an interface, wherein the stabilized carbon steel includes columbium (niobium) and at least one other carbide-forming element in amounts effective to prevent carbon migration from the carbon steel to the stainless steel and the composite material has a physical grain size no larger than ASTM #6.

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Patent Owner(s)

Patent OwnerAddress
ALLEGHENY LUDLUM CORPORATIONPITTSBURGH PENNSYLVANIA 15222-5479

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Parayil, Thomas R New Kensington, PA 12 94

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