Designation: A 897/A 897M –03
Standard Speci?cation for
Austempered Ductile Iron Castings 1
This standard is issuedunder the ?xed designation A 897/A 897M; the number immediately following the designation indicates the year
of original adoption or, in the caseof revision, the year of last revision. A number in parenthesesindicates the year of last reapproval.
A superscript epsilon (e) indicates an