Cylinder rod
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United States of America Patent
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Oct 29, 2019
Grant Date -
Nov 23, 2017
app pub date -
Mar 13, 2015
filing date -
Mar 13, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
The cylinder rod of a hydraulic cylinder includes a body portion having a bar shape, and a head portion arranged at a longitudinal end of the body portion. The body portion has a coating formed on its outer peripheral surface. The coating includes, in terms of area ratio in cross section, not less than 56.1% and not more than 84.4% of a chromium carbide phase, with the remainder consisting of a nickel-based alloy phase and an oxide phase. The area ratio of the chromium carbide phase may be 61.7% or more.
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