Inexpensive automotive member and feed oil pipe, exhibiting excellent salt corrosion resistance
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United States of America Patent
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May 8, 2018
Issued Date -
N/A
app pub date -
Sep 12, 2014
filing date -
Sep 13, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An automotive member or a feed oil pipe includes: a member made of a ferritic stainless steel containing predetermined components containing 10.5% to 18.0% of Cr in mass %; a metal fitting made of an aluminized stainless steel sheet, the metal fitting being attached to the member; and a gap structure defined between the member and the metal fitting, the gap structure being exposed to a chloride environment, where the metal fitting has an Al-plating weight per unit area of 20 g/m2 or more and 150 g/m2 or less on a surface corresponding to a gap of the gap structure, and surfaces of the metal fitting and the non-aluminized member other than the gap are coated with a cation electrodeposition coating film having a thickness of 5 μm to 35 μm.
First Claim
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- B60K:ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF ....
- C25D:PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC ....
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- F02M:SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBU....
- C23F:NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM S....
- C22C:ALLOYS
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