Cold-rolled steel strip with electrodeposited nickel coating exhibiting a great diffusion depth
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United States of America Patent
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Mar 20, 1990
Grant Date -
N/A
app pub date -
May 12, 1988
filing date -
Aug 10, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A cold-rolled steel strip having an electrodeposited nickel coating exhibiting a great diffusion depth, and a process for producing this strip. In order to develop a cold-rolled strip that can be produced economically, and which has a reduced tendency to stick, good deformability, deep coating diffusion, advantageous corrosion dehavior, and improved electrochemical behavior, and in order to develop a process for producing this strip, the thickness of the nickel coating should carry a coating of cobalt which has been electrodeposited to a thickness of 0.01 to 1.0 [m, and after having been coated, the cold-rolled strip should be subjected to a final heat treatment at a temperature of between 580.degree. and 710.degree. C.
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