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Since 1952, Alloy Digest has been the leading reference for materials property data on metals and alloys used throughout the world. Featuring graphs, charts and tables, these sheets give facts and figures on composition or characterization, physical and mechanical properties, heat treatment, and machinability.

Copper Alloy No. C81400 is a precipitation-hardenable alloy of moderate hardness and strength. Its common name is beryllium-modified chromium copper and a previous trade name was Beryllium Copper 70C. Because of its beryllium content, its manufacture may present a health hazard. Typical uses comprise electrical parts that meet RWMA (Resistance Wire Manufacturer's Association) Class II standards.