ASTM A582/A582M-95b(2000)
(Specification)Standard Specification for Free-Machining Stainless Steel Bars
Standard Specification for Free-Machining Stainless Steel Bars
SCOPE
1.1 This specification covers hot-finished or cold-finished bars, except bars for forging (Note 1). 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 (Note 2) than the free-machining types are covered in a separate specification.
1.2 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 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.
1.3 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.
Note 1--For bars for reforging, see Specification A314.
Note 2--For non-free machining stainless bars, see Specification A276.
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An American National Standard
Designation: A 582/A 582M – 95b (Reapproved 2000)
Standard Specification for
Free-Machining Stainless Steel Bars
This standard is issued under the fixed designation A 582/A 582M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.
A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 2.2 Other Document:
SAE J 1086 Recommended Practice for Numbering Metals
1.1 This specification covers hot-finished or cold-finished
and Alloys
bars, except bars for forging (Note 1). It includes rounds,
squares, and hexagons in the more commonly used types of
3. Ordering Information
stainless free-machining steels designed especially for opti-
3.1 It is the responsibility of the purchaser to specify all
mum machinability and for general corrosion and high-
requirements that are necessary for material ordered under this
temperature service. Stainless steel bars other (Note 2) than the
specification. Such requirements may include, but are not
free-machining types are covered in a separate specification.
limited to, the following:
1.2 The values stated in either inch-pound units or SI
3.1.1 Quantity (weight or number of pieces),
(metric) units are to be regarded separately as standard: within
3.1.2 Type or UNS designation (Table 1),
the text and tables, the SI uits are shown in [brackets]. The
3.1.3 Form (bars, angles, etc.),
values stated in each system are not exact equivalents: there-
3.1.4 Condition (Table 2),
fore, each system must be used independent of the other.
3.1.5 Finish (5.1),
Combining values from the two systems may result in noncon-
3.1.6 Applicable dimensions, including size, thickness,
formance with the specification.
width, and length,
1.3 Unless the order specifies the applicable “M” specifica-
3.1.7 Cross section (round, square, etc.),
tion designation, the material shall be furnished to the inch-
3.1.8 ASTM designation (Specification A 582/A 582M) and
pound units.
date of issue,
NOTE 1—For bars for reforging, see Specification A 314.
3.1.9 Preparation for delivery, and
NOTE 2—For non-free machining stainless bars, see Specification
3.1.10 Marking requirements.
A 276.
NOTE 3—A typical ordering description is as follows: 5000 lb [2000 kg]
2. Referenced Documents
Type 416 bars, annealed and centerless ground, 1 ⁄2 in. [40 mm] round, 10
to 12 ft [3 to 4 m] in length, ASTM Specification A 582/A 582M dated .
2.1 ASTM Standards:
A 276 Specification for Stainless Steel Bars and Shapes
4. General Requirements for Delivery
A 314 Specification for Stainless Steel Billets and Bars for
2 4.1 In addition to the requirements of this specification, all
Forging
requirements of the current edition of Specification A 484/
A 484/A 484M Specification for General Requirements for
2 A 484M shall apply. Failure to comply with the general
Stainless Steel Bars, Billets, and Forgings
requirements of Specification A 484/A 484M constitutes non-
A 751 Test Methods, Practices, and Terminology for
3 conformance with this specification.
Chemical Analysis of Steel Products
E 527 Practice for Numbering Metals and Alloys (UNS)
5. Materials and Manufacture
5.1 Bars may be furnished either hot finished or cold
finished in one of the conditions listed in Table 2.
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloysand is the direct responsibility of Subcommittee
A01.17on Flat Stainless Steel Products.
Current edition approved Sept. 10, 1995. Published November 1995. Originally
published as A 582 – 67. Last previous edition A 582 – 95a.
Annual Book of ASTM Standards, Vol 01.05.
3 5
Annual Book of ASTM Standards, Vol 01.03. Available from Society of Automotive Engineers, 400 Commonwealth Drive,
Annual Book of ASTM Standards, Vol 01.01. Warrendale, PA 15096.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
A 582/A 582M – 95b (2000)
TABLE 1 Chemical Requirements
Chemical Composition, %
UNS
Desig- Type
Manga- Phos- Silicon, Molyb- Other
B B
A
Carbon Sulfur Chromium Nickel Selenium
nation B B
nese phorus, max denum Elements
Austenitic
S20300 XM-1 0.08 5.00–6.50 0.04 0.18–0.35 1.00 16.00–18.00 5.00–6.50 . . . . . . Cu 1.75–2.25
S30300 303 0.15 2.00 0.20 0.15 min 1.00 17.00–19.00 8.00–10.00 . . . . . . . . .
S30310 XM-5 0.15 2.50–4.50 0.20 0.25 min 1.00 17.00–19.00 7.00–10.00 . . . . . . . . .
S30323 303Se 0.15 2.00 0.20 0.06 1.00 17.00–19.00 8.00–10.00 . . . 0.15 min . . .
S30345 XM-2 0.15 2.00 0.05 0.11–0.16 1.00 17.00–19.00 8.00–10.00 0.40–0.60 . . . Al 0.60–1.00
Martensitic
S41600 416 0.15 1.25
...
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