Heat transfer tube and method for producing same
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United States of America Patent
Stats
-
Jan 2, 2018
Issued Date -
N/A
app pub date -
Mar 25, 2013
filing date -
Mar 27, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An extruded heat transfer tube with an internal passage includes a tube body made of an extruded material of an aluminum alloy having a composition that includes 0.3 mass % or more and less than 0.8 mass % of Mn; more than 0.1 mass % and less than 0.32 mass % of Si; 0.3 mass % or less of Fe; 0.06 mass % or more and 0.3 mass % or less of Ti; and Al balance including inevitable impurities, a ratio of a Mn content to a Si content, Mn %/Si %, exceeding 2.5. The extruded heat transfer tube further includes a Zn-containing layer provided directly on an outer surface of the tube body.
First Claim
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International Classification(s)
- C23C:COATING METALLIC MATERIAL; COATING MATERIAL WITH M....
- B23K:SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLA....
- F28D:HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTH....
- F28F:DETAILS OF HEAT-EXCHANGE OR HEAT-TRANSFER APPARATU....
- C22F:CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS MET....
- C22C:ALLOYS
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
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Patent Citation Ranking
- 0 Citation Count
- C23C Class
- 0 % this patent is cited more than
- 7 Age
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|---|---|---|---|---|
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