ASTM A314-97(2002)
(Specification)Standard Specification for Stainless Steel Billets and Bars for Forging
Standard Specification for Stainless Steel Billets and Bars for Forging
ABSTRACT
This specification covers stainless steel billets and bars for forging. The steel materials shall be annealed and conditioned by chipping or grinding. The steel specimens shall conform to the required chemical compositions of carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, and other elements.
SCOPE
1.1 This specification covers stainless steel billets and bars intended only for forging.
General Information
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Standards Content (Sample)
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Designation: A 314 – 97 (Reapproved 2002)
Standard Specification for
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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope 3.1.10 Exceptions to the specification or special require-
ments.
1.1 This specification covers stainless steel billets and bars
3.2 If possible, the intended use of the item should be given
intended only for forging.
on the purchase order especially when the item is ordered for
2. Referenced Documents
a specific end use or uses.
2.1 ASTM Standards:
NOTE 1—A typical ordering description is as follows: 10 000 lb, Type
A 484/A 484M Specification for General Requirements for
420, annealed, round-cornered square billets, ASTM A 314 dated ———
for valve parts.
Stainless Steel Bars, Billets and Forgings
A 751 Test Methods, Practices, and Terminology for
4. Manufacture
Chemical Analysis of Steel Products
4.1 Annealing
E 527 Practice for Numbering Metals and Alloys (UNS)
4.1.1 Blooms and billets of the 400 series of stainless steel
2.2 Other Document:
types which are highly hardenable, such as Types 414, 420,
SAE J1086 Recommended Practice for Numbering Metals
431, 440A, 440B, and 440C, are commonly annealed prior to
and Alloys
shipment and so specified in order to avoid the possibility of
3. Ordering Information
thermal cracking. Those grades are not normally furnished in
the as-rolled or as-forged condition. Other hardenable grades,
3.1 It is the responsibility of the purchaser to specify all
such as Types 403, 410, 416, and 416 Se, which may also
requirements that are necessary for material ordered under this
requireannealing,dependingontheircompositionandsize,are
specification. Such requirements may include but are not
furnished suitable for cold cutting when so specified on the
limited to the following:
purchase order.
3.1.1 Quantity (weight or number of pieces),
4.2 Conditioning
3.1.2 Name of material: type or UNS designation (Table 1),
4.2.1 Material may be conditioned by chipping or grinding
3.1.3 Condition,
to remove injurious surface defects provided the depth of
3.1.4 Cross section (round, round-cornered square, etc.),
conditioning does not exceed that which will affect the surface
3.1.5 Form: bar or forging billet,
condition or dimensions of the article to be forged from the bar
3.1.6 Applicable dimensions, including size, thickness,
or billet.
width, and length,
3.1.7 ASTM designation and date of issue,
5. Chemical Composition
3.1.8 Preparation for delivery (see Specification A 484/
5.1 The steel shall conform to the chemical composition
A 484M),
prescribed in Table 1 for the respective grades.
3.1.9 Marking (see Specification A 484/A 484M), and
5.2 Methods and practices relating to chemical analysis
required by this specification shall be in accordance with Test
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Methods, Practices, and Terminology A 751.
Stainless Steel, and RelatedAlloys, and is the direct responsibility of Subcommittee
A01.17 on Flat Stainless Steel Products.
6. Dimensions
Current edition approved Sept. 10, 1997. Published September 1998. Originally
published as A 314 – 47 T. Last previous edition A 314 – 95.
6.1 Billets and bars shall conform to the shape and dimen-
Annual Book of ASTM Standards, Vol 01.05.
sions specified by the purchaser within a permissible variation
Annual Book of ASTM Standards, Vol 01.03.
of 65%.
Annual Book of ASTM Standards, Vol 01.01.
Available from Society of Automotive Engineers, 400 Commonwealth Drive,
Warrendale, PA 15096.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
A 314 – 97 (2002)
7. General Requirements 8. Keywords
7.1 In addition to the requirements of this specification, all
8.1 austenitic stainless steel; austenitic-ferritic duplex stain-
requirements of the current edition of Specification A 484/
less steel; ferritic stainless steel; martensitic stainless steel;
A 484M shall apply. Failure to comply with the general
stainless steel bars; stainless steel billets
requirements of Specification A 484/A 484M constitutes non-
conformance with this specification.
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 4.00–6.00 . . . 0.08–0.20 . . .
S20200 202 0.15 7.50–10.00 0.060 0.030 1.00 17.00–19.00 4.00–6.00 . . . 0.25 . . .
S20910 XM-19 0.06 4.00–6.00 0.040 0.030 1.00 20.50–23.50 11.50–13.50 1.50–3.00 0.20–0.40 Cb 0.10–0.30
V 0.10–0.30
S21800 . . . 0.10 7.00–9.00 0.060 0.030 3.50–4.50 16.00–18.00 8.00–9.00 . . . 0.08–0.18 . . .
S21900 XM-10 0.08 8.00–10.00 0.060 0.030 1.00 19.00–21.50 5.50–7.50 . . . 0.15–0.40 . . .
S21904 XM-11 0.04 8.00–10.00 0.060 0.030 1.00 19.00–21.50 5.50–7.50 . . . 0.15–0.40 . . .
S24000 XM-29 0.08 11.50–14.50 0.060 0.030 1.00 17.00–19.00 2.25–3.75 . . . 0.20–0.40 . . .
S24100 XM-28 0.15 11.00–14.00 0.060 0.030 1.00 16.50–19.00 0.50–2.25 . . . 0.20–0.45 . . .
S28200 . . . 0.15 17.00–19.00 0.045 0.030 1.00 17.00–19.00 . . . 0.75–1.25 0.40–0.60 . . .
S30200 302 0.15 2.00 0.045 0.030 1.00 17.00–19.00 8.00
...
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