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ASTM A564

1985 Edition, August 30, 1985

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STANDARD SPECIFICATION FOR HOT-ROLLED AND COLD-FINISHED AGE- HARDENING STAINLESS AND HEAT-RESISTING STEEL BARS, WIRE, AND SHAPES



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Superseded By: ASTM A564/A564M

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Additional Comments:
W/D S/S BY ASTM A564/A564M
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Product Details:

  • Revision: 1985 Edition, August 30, 1985
  • Published Date: January 1985
  • Status: Superseded By:
  • Superseded By: ASTM A564/A564M
  • Document Language: English
  • Published By: ASTM International (ASTM)
  • Page Count: 12
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This specification2 covers wire, bars, and shapes of age-hardening stainless and heat-resisting 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(316°C); 700°F (371°C) for Type 632. They are suitable for machining in the solution-annealed condition after which they may be age-hardened to the mechanical properties specified in Table 3 without danger of cracking or distortion. Types XM-9 and XM-25 are machinable in the as-received fully heat treated 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 wire and small diameter bar.

The values stated in inch-pound units are to be regarded as the standard.

NOTE 1—For forgings, see Specification A 705.

2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-564 in Seciion II of that Code.