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ASTM A 564/A 564M Document Information:
Title
Standard Specification for Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
ASTM International
Publication Date:
Mar 1, 2004
Scope:
(Footnote *)
This specification(Footnote 2) covers bars and shapes of age-hardening
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.
These steels are generally used for parts requiring corrosion
resistance and high strength at room
temperature, or at temperatures up to 600°F [315°C]; 700°F
[370°C] for Type 632;
840°F [450°C] for Type UNS S46910. They are suitable for
machining in the solution-annealed
condition after which they may be age-hardened to the mechanical
properties specified in Section 7
without danger of cracking or distortion. Type XM-25 is machinable in
the as-received fully heat
treated condition. Type UNS S46910 is suitable for machining in the
solution-annealed, cold-worked,
and aged-hardened condition.
Types 631 and 632 contain a large amount of ferrite in the
microstructure and can have low
ductility in forgings and larger diameter bars. Applications should be
limited to small diameter
bar.
The values stated in either inch-pound units or SI (metric) units are
to be regarded separately as
standards; within the text and tables, the SI units are shown in
[brackets]. The values stated in
each system are not exact equivalents; therefore, each system must be
used independent of the
other. Combining values from the two systems may result in
nonconformance with the specification.
Unless the order specifies an "M" designation, the material shall be
furnished to inch-pound
units.
NOTE 1 - For forgings, see Specification A 705/A 705M.
NOTE 2 - For billets and bars for forging see Specification A 314.
Footnote * - A Summary of Changes section appears at the end of this
standard.
Footnote 2 - For ASME Boiler and Pressure Vessel Code applications,
see related Specification
SA-564/SA-564M in Section II of that Code.
Keywords:
- age-hardening stainless steel
- precipitation hardening stainless steel
- stainless steel bars
- stainless steel shapes
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