HIGHLY CORROSION-RESISTANT COPPER PIPE

Provided is a corrosion resistant copper tube which can exhibit a further improved resistance to ant nest corrosion, and which is suitably usable as a heat transfer tube and refrigerant tube in air-conditioning equipment and refrigerating equipment. The copper tube is formed of a copper material con...

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Bibliographic Details
Main Authors HIURA, Tomoyuki, SUITO, Kensuke, TAMAGAWA, Hirokazu
Format Patent
LanguageEnglish
French
German
Published 26.02.2020
Subjects
ALLOYS
BLASTING
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS
CHEMISTRY
DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION
FERROUS OR NON-FERROUS ALLOYS
HEAT EXCHANGE IN GENERAL
HEATING
LIGHTING
MECHANICAL ENGINEERING
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
WEAPONS
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Summary:Provided is a corrosion resistant copper tube which can exhibit a further improved resistance to ant nest corrosion, and which is suitably usable as a heat transfer tube and refrigerant tube in air-conditioning equipment and refrigerating equipment. The copper tube is formed of a copper material consisting of 0.15-0.6% by weight of phosphorus and the balance being copper and impurities, and has electric conductivity (Y1 or Y2: %IACS) which satisfies 50-75X ≤ Y1 ≤ 60-75X in the case where the tube includes a recrystallized structure, or 47-75X ≤ Y2 ≤ 57-75X in the case where the tube includes a deformation structure, wherein X (% by weight) represents a content of phosphorus.
Bibliography:Application Number: EP20170855236