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.AISI 1070 is a high-carbon water or oil-hardening tool and spring steel of low hardenability. It is used for railroad and street railway rails, heavy machinery parts, shafts, springs and a wide variety of hand and machine tools requiring strength and wear resistance.