Automotive Austempered Ductile (Nodular) Iron Castings (Adi) J2477_200303

This SAE Standard covers the mechanical and physical property requirements for Austempered Ductile Iron (ADI) castings used in automotive and allied industries. Specifically covered are: a. Hardness b. Tensile Strength c. Yield Strength d. Elongation e. Modulus of Elasticity f. Impact Energy g. Microstructure In this document SI units are primary and in-lb units are derived. Appendix A provides general information and related resources on the microstructural, chemical and heat treatment requirements to meet the mechanical properties needed for ADI in particular service conditions and applications.