Heat transfer tube and method for producing same

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United States of America Patent

PATENT NO 9857128
SERIAL NO

14387990

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Abstract

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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.

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Patent Owner(s)

  • MITSUBISHI ALUMINUM CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furumura, Hiroki Susono, JP 2 5
Hyogo, Yasunori Izu, JP 14 136

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