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AssigneeYKK Corporation
InventorsYasuharu Yoshimura, Takahiro Fukuyama, Kousuke Seki, Atsushi Ogihara, Chikako Hiromi, Takuya Koizumi, Itaru Hasegawa, Kazuya Akitsu, Takanori Kumei, Kouta Kido
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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.
A metallic fastener member comprising 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, 0 to less than 0.5% by mass of Mn and 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.
A metallic fastener member comprising a base material of a copper alloy having composition containing 14 to 30% by mass of Zn and 4 to 11% by mass of Ni, 0 to less than 0.5% by mass of Mn and 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.
A metallic fastener member comprising a base material of a copper alloy having composition containing 23 to 27% by mass of Zn and 4 to 8% by mass of Ni, 0 to less than 0.5% by mass of Mn and 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.
A metallic fastener member comprising a base material of a copper alloy having composition containing 2 to 14% by mass of Zn and 2 to 10% by mass of Ni, 0 to less than 0.5% by mass of Mn and 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.
A metallic fastener member comprising a base material of a copper alloy having composition containing 9 to 13% by mass of Zn and 3 to 7% by mass of Ni, 0 to less than 0.5% by mass of Mn and 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.
A metallic fastener member comprising a base material of a copper alloy having composition containing 2 to 6% by mass of Zn and 3 to 10% by mass of Ni, 0 to 0.5% by mass of Mn and 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.
Dependencies are inferred from the claim text.