ASTM A564 Specification. This specification2 covers bars and shapes of agehardening stainless steels. Hot-finished or cold-finished rounds, squares, hexagons, bar shapes, angles, tees, and channels are included; these shapes may be produced by hot rolling, extruding, or forging. Billets or bars for reforging may be purchased to this specification.
Designation: A564/A564M − 19Standard Specif i cation forHot-Rolled and Cold-Finished Age-Hardening Stainless SteelBars and Shapes 1This standard is issued under the f i xed designation A564/A564M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, the year of …