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ASTM A582/A582M 2012 Edition, March 1, 2012
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Standard Specification for Free-Machining Stainless Steel Bars
Includes all amendments and changes through Editorial Change 1, October 2012
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This specification covers hot-finished or cold-finished bars, except bars for forging (Note 1), suitable for machining processes. It includes rounds, squares, and hexagons in the more commonly used types of stainless free-machining steels designed especially for optimum machinability and for general corrosion and high-temperature service. Stainless steel bars other than the free-machining types are covered in a separate specification (Note 2).

This specification is expressed in both inch-pound units and in SI units; however, unless the purchase order or contract specifies the applicable M specification designation (SI units), the inch-pound units shall apply. The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standard: within the text and tables, the SI units are shown in [brackets]. The values stated in each system may not be exact equivalents: therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

NOTE 1-For bars for reforging, see Specification A314.

NOTE 2-For non-free machining stainless bars, see Specification A276.

*A Summary of Changes section appears at the end of this standard