ASTM A314-97
(Specification)Standard Specification for Stainless Steel Billets and Bars for Forging
Standard Specification for Stainless Steel Billets and Bars for Forging
SCOPE
1.1 This specification covers stainless steel billets and bars intended only for forging.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: A 314 – 97
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
1
Stainless Steel Billets and Bars for Forging
This standard is issued under the fixed designation A 314; 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.
1. Scope on the purchase order especially when the item is ordered for
a specific end use or uses.
1.1 This specification covers stainless steel billets and bars
intended only for forging.
NOTE 1—A typical ordering description is as follows: 10 000 lb, Type
420, annealed, round-cornered square billets, ASTM A 314 dated ———
2. Referenced Documents
for valve parts.
2.1 ASTM Standards:
4. Manufacture
A 484/A 484M Specification for General Requirements for
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4.1 Annealing
Stainless Steel Bars, Billets and Forgings
4.1.1 Blooms and billets of the 400 series of stainless steel
A 751 Test Methods, Practices, and Terminology for
3
types which are highly hardenable, such as Types 414, 420,
Chemical Analysis of Steel Products
4
431, 440A, 440B, and 440C, are commonly annealed prior to
E 527 Practice for Numbering Metals and Alloys (UNS)
shipment and so specified in order to avoid the possibility of
2.2 Other Document:
thermal cracking. Those grades are not normally furnished in
SAE J1086 Recommended Practice for Numbering Metals
5
the as-rolled or as-forged condition. Other hardenable grades,
and Alloys
such as Types 403, 410, 416, and 416 Se, which may also
3. Ordering Information
require annealing, depending on their composition and size, are
furnished suitable for cold cutting when so specified on the
3.1 It is the responsibility of the purchaser to specify all
purchase order.
requirements that are necessary for material ordered under this
4.2 Conditioning
specification. Such requirements may include but are not
4.2.1 Material may be conditioned by chipping or grinding
limited to the following:
to remove injurious surface defects provided the depth of
3.1.1 Quantity (weight or number of pieces),
conditioning does not exceed that which will affect the surface
3.1.2 Name of material: type or UNS designation (Table 1),
condition or dimensions of the article to be forged from the bar
3.1.3 Condition,
or billet.
3.1.4 Cross section (round, round-cornered square, etc.),
3.1.5 Form: bar or forging billet,
5. Chemical Composition
3.1.6 Applicable dimensions, including size, thickness,
5.1 The steel shall conform to the chemical composition
width, and length,
prescribed in Table 1 for the respective grades.
3.1.7 ASTM designation and date of issue,
5.2 Methods and practices relating to chemical analysis
3.1.8 Preparation for delivery (see Specification A 484/
required by this specification shall be in accordance with Test
A 484M),
Methods, Practices, and Terminology A 751.
3.1.9 Marking (see Specification A 484/A 484M), and
3.1.10 Exceptions to the specification or special require-
6. Dimensions
ments.
6.1 Billets and bars shall conform to the shape and dimen-
3.2 If possible, the intended use of the item should be given
sions specified by the purchaser within a permissible variation
of 65%.
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This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Stainless Steel, and Related Alloys, and is the direct responsibility of Subcommittee 7. General Requirements
A01.17 on Flat Stainless Steel Products.
7.1 In addition to the requirements of this specification, all
Current edition approved Sept. 10, 1997. Published September 1998. Originally
requirements of the current edition of Specification A 484/
published as A 314 – 47 T. Last previous edition A 314 – 95.
2
Annual Book of ASTM Standards, Vol 01.05.
A 484M shall apply. Failure to comply with the general
3
Annual Book of ASTM Standards, Vol 01.03.
requirements of Specification A 484/A 484M constitutes non-
4
Annual Book of ASTM Standards, Vol 01.01.
5
conformance with this specification.
Available from Society of Automotive Engineers, 400 Commonwealth Drive,
Warrendale, PA 15096.
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A 314
8. Keywords
8.1 austenitic stainless steel; austenitic-ferritic duplex stain-
less steel; ferritic stainless steel; martensitic stainless steel;
stainless steel bars; stainless steel billets
TABLE 1 Chemical Requirements
B
Chemical Composition, %
UNS
Type
Desig-
Man- Phos- Molyb- Other
Number
A
Carbon Sulfur, Silicon, Chromium Nickel Nitrogen
nation
ganese, phorus, denum Elements
Austenitic Grades
S20161 . . . 0.15 4.00–6.00 0.040 0.040 3.00–4.00 15.00–18.00 4.00–6.0
...
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