View Sample Alloy Digest Data Sheet (PDF)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.Wieland-B15 is a phosphor bronze that is a widely used because it has a combination of cold-working and strength properties. It is particularly widely used in the electronic market for connectors.