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.Aluchrom YHf is an oxidation resistant ferritic stainless steel alloyed with aluminum. The alloy is approved in North America and Europe for pressure vessels to 899 deg C (1650 deg F).