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.ABEX PARABOLOY is a high-chromium cast iron produced under strictly controlled foundry conditions and heat treated to furnish two grades: PAB and PAC. PAB provides excellent wearlife in heavy-section castings for mill liners and selected crusher parts. PAC provides excellent service in applications requiring greater resistance to shock and impact.