Chain component and chain
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United States of America Patent
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Apr 16, 2019
Grant Date -
Oct 4, 2018
app pub date -
Mar 27, 2018
filing date -
Mar 28, 2017
priority date (Note) -
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Abstract
Provided are a chain component that has a simple surface treatment structure and can maintain good wear resistance over a long time, and a chain that includes the chain component and maintains good wear elongation resistance. The chain component of a power transmission chain for industrial use includes a chromium nitride layer formed on an outer side of a steel base material and containing more than 0 mass % but not more than 55 mass % iron. At least a surface of the chromium nitride layer that slides against other components is a rough surface with peaks and valleys.
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