Aluminum alloy, aluminum alloy spring, and fastening member made of aluminum alloy

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United States of America Patent

PATENT NO 11505851
APP PUB NO 20210010111A1
SERIAL NO

16955425

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Abstract

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An aluminum alloy according to the present invention includes 1.2% by mass to 4.0% by mass of copper, 4.0% by mass to 14.0% by mass of zinc, 0.5% by mass to 4.0% by mass of magnesium, 0.01% or less of silicon, and 0.01% or less of iron, with the balance containing aluminum and inevitable impurities, and has an average equivalent circle crystal grain size of 500 nm or less.

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Patent Owner(s)

Patent OwnerAddress
NHK SPRING CO LTD3-10 FUKUURA KANAZAWA-KU YOKOHAMA-SHI KANAGAWA 236-0004

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakano, Junichi Kanagawa, JP 44 352
Suzuki, Takeshi Kanagawa, JP 572 6480

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