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    • 89. 发明申请
    • BRASS ALLOY AND PROCESSED PART AND WETTED PART
    • 黄铜合金加工部分和湿润部分
    • US20150275333A1
    • 2015-10-01
    • US14439505
    • 2013-04-08
    • KITZ CORPORATION
    • Hidenobu TamedaHisanori TeruiKei ItoTomoyuki Ozasa
    • C22C9/04
    • C22C9/04
    • Provided is a brass alloy excellent in recyclability and corrosion resistance while avoiding the addition of Bi and Si, and with which machinability is ensured and processing is facilitated with preventing inclusion of lead. The present invention includes at least 58.0 to 63.0 mass % of Cu, 1.0 to 2.0 mass % of Sn and 0.05 to 0.29 mass % of Sb and the remainder composed of Zn and unavoidable impurities. With the present invention, stress corrosion crack resistance and machinability are improved. 0.05 to 1.5 mass % of Ni is included in a copper alloy to improve stress corrosion crack resistance as a result of the interaction between Ni and Sb. Furthermore, 0.05 to 0.2 mass % of P is included to improve anti-dezincification properties.
    • 提供一种避免添加Bi和Si的可回收性和耐腐蚀性优异的黄铜合金,并且通过防止铅的包含,确保了机械加工性和加工性。 本发明包括Cu:58.0〜63.0质量%,Sn 1.0〜2.0质量%,Sb:0.05〜0.29质量%,余量由Zn和不可避免的杂质构成。 通过本发明,提高了耐应力腐蚀开裂性和切削性。 由于Ni和Sb之间的相互作用,铜合金中含有0.05〜1.5质量%的Ni以提高耐应力腐蚀开裂性。 此外,含有0.05〜0.2质量%的P以提高抗脱锌性。