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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.

TARTAN is an economical, as-rolled carbon steel in plate form. It has a minimum yield strength of 50,000 psi and a minimum transverse impact value (Charpy V-notch) of 20 foot-pounds at -20 F up to a thickness of 11/2 inches. Columbium (niobium) has been added to increase toughness levels above those of other as-rolled carbon steels of similar thickness and strength. Among Tartan's uses are crane car bodies and roll-over protection equipment.