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.Avesta Sheffield 248 SV is a high-strength martensitic stainless steel. It combines high strength with good weldability and high toughness after welding. 248 SV is intended for applications that require high strength and toughness, good weldability, and moderate corrosion resistance.