Cast copper-lead alloys

Dr. Dmitri Kopeliovich

According to the Unified Numbering System (UNS):

Cast Copper-Lead Alloys (Leaded Coppers) are copper alloys, containing 24-51% of lead (Pb) as the major alloying element. Cast Copper-Lead alloys are designated with the numbers from C98000 through C98999.

Cast Copper-Nickel alloys may contain up to 3% of tin (Sn), and up to 5% of silver (Ag) as additional alloying elements.

Cast Copper-Lead alloys possess binary microstructure, consisting of lead particles distributed throughout the copper matrix.

Lead in the Cast Copper-Lead alloys serves as a solid lubricant in sliding friction applications.

Cast Copper-Lead alloys are used for manufacturing sliding bearings, bushings and other sliding friction components.

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• Cast Coppers and high copper alloys
• Cast brasses
• Cast manganese bronzes
• Cast silicon bronzes and silicon brasses
• Cast tin bronzes and leaded tin bronzes
• Cast aluminum bronzes
• Cast copper-nickel alloys and Nickel Silvers
• Spinodal Bronzes
• Cast copper special alloys
• Classification of copper alloys
• Temper designation of copper alloys
• Copper based bearing materials
• Treatment of molten copper alloys

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