Low lead or leadless free-cutting brass alloy

Low lead or leadless free-cutting brass alloy

An unleaded or low-lead free cutting brass alloy comprises the following components by weight percentages: 56.0-64.0% of Cu, 0-02.5% of Bi, 0-0.5% of Pb, 1.0-2.5% of Sn, 0.1-0.5% of Al, 0.05-0.2% of Zr, 0.1-0.5% of Ce and 0.5-2.5% of Si, and Zn. The unleaded brass alloy can be made into the required...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DENG YUNLAI, CHEN MINGAN, ZHANG XINMING, XU KE, HE YONGDONG, ZHOU LIANG, ZHANG YONG, ZHOU ZHUOPING, YANG LIU
Format: Patent
Sprache:chi ; eng
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:An unleaded or low-lead free cutting brass alloy comprises the following components by weight percentages: 56.0-64.0% of Cu, 0-02.5% of Bi, 0-0.5% of Pb, 1.0-2.5% of Sn, 0.1-0.5% of Al, 0.05-0.2% of Zr, 0.1-0.5% of Ce and 0.5-2.5% of Si, and Zn. The unleaded brass alloy can be made into the required materials and/or parts by a casting method or by press working such as extrusion, rolling, forging, tension, and the like, after casting. The materials and parts obtained have over 500MPa ultimate tensile strength, and the cutting characteristic is approximating to that of lead brass.