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.ALCOTEC Filler Metal 5180 is a weld wire in the Al-Zn-Mg aluminum family that responds to post-weld thermal treatments. The wire is especially useful to match base-metal strengths in thin walls.