Metallic fastener member having light gold color, and fastener provided therewith
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United States of America Patent
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Dec 25, 2018
Grant Date -
Dec 7, 2017
app pub date -
Dec 26, 2014
filing date -
Dec 26, 2014
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Abstract
A metallic fastener member has a specific color of light gold and also has high strength, discoloration resistance and high workability to withstand practical use. A metallic fastener member including a base material of a copper alloy having composition containing 1 to 30% by mass of Zn and 1 to 11% by mass of Ni, the balance being Cu and inevitable impurities, wherein the metallic fastener member has a Vickers hardness of Hv 120 or more and less than Hv 220.
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