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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.

HALGRAPH is an electric furnace melted, oil hardening, graphitic tool steel with excellent non-deforming properties. It is free-machining and has a high resistance to wear. It is non-deforming type steel suitable for use as tools, dies, gauges and parts requiring maximum hardness and freedom from distortion.