ASTM A314-15
(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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Designation:A314 −15
Standard Specification for
1
Stainless Steel Billets and Bars for Forging
This standard is issued under the fixed designation A314; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 3.1.8 Preparation for delivery (see Specification A484/
A484M),
1.1 This specification covers stainless steel billets and bars
3.1.9 Marking (see Specification A484/A484M), and
intended only for forging.
3.1.10 Exceptions to the specification or special require-
ments.
2. Referenced Documents
2
3.2 If possible, the intended use of the item should be given
2.1 ASTM Standards:
A484/A484M Specification for General Requirements for on the purchase order especially when the item is ordered for
a specific end use or uses.
Stainless Steel Bars, Billets, and Forgings
A751 Test Methods, Practices, and Terminology for Chemi-
NOTE 1—A typical ordering description is as follows: 10 000 lb, Type
cal Analysis of Steel Products
420, annealed, round-cornered square billets, ASTM A314 dated
E527 Practice for Numbering Metals and Alloys in the
for valve parts.
Unified Numbering System (UNS)
4. Manufacture
2.2 Other Document:
SAE J1086 Recommended Practice for Numbering Metals
4.1 Annealing—Blooms and billets of the 400 series of
3
and Alloys
stainlesssteeltypeswhicharehighlyhardenable,suchasTypes
414, 420, 431, 440A, 440B, and 440C, are commonly annealed
3. Ordering Information
prior to shipment and so specified in order to avoid the
3.1 It is the responsibility of the purchaser to specify all possibility of thermal cracking. Those grades are not normally
furnished in the as-rolled or as-forged condition. Other hard-
requirements that are necessary for material ordered under this
enable grades, such as Types 403, 410, 416, and 416 Se, which
specification. Such requirements may include but are not
may also require annealing, depending on their composition
limited to the following:
and size, are furnished suitable for cold cutting when so
3.1.1 Quantity (weight or number of pieces),
specified on the purchase order.
3.1.2 Name of material: type or UNS designation (Table 1),
3.1.3 Condition,
4.2 Conditioning—Material may be conditioned by chip-
3.1.4 Cross section (round, round-cornered square, and so
ping or grinding to remove injurious surface defects provided
forth),
thedepthofconditioningdoesnotexceedthatwhichwillaffect
3.1.5 Form: bar or forging billet,
the surface condition or dimensions of the article to be forged
3.1.6 Applicable dimensions, including size, thickness,
from the bar or billet.
width, and length,
3.1.7 ASTM designation and date of issue,
5. Chemical Composition
5.1 The steel shall conform to the chemical composition
prescribed in Table 1 for the respective grades.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
5.2 Methods and practices relating to chemical analysis
A01.17 on Flat-Rolled and Wrought Stainless Steel.
required by this specification shall be in accordance with Test
Current edition approved July 15, 2015. Published July 2015. Originally
approved in 1947. Last previous edition approved in 2013 as A314 – 13a. DOI: Methods, Practices, and Terminology A751.
10.1520/A0314-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6. Dimensions
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
6.1 Billets and bars shall conform to the shape and dimen-
the ASTM website.
3
sions specified by the purchaser within a permissible variation
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001, http://www.sae.org. of 65%.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
A314−15
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
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A314 − 13a A314 − 15
Standard Specification for
1
Stainless Steel Billets and Bars for Forging
This standard is issued under the fixed designation A314; 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 (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification covers stainless steel billets and bars intended only for forging.
2. Referenced Documents
2
2.1 ASTM Standards:
A484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, and Forgings
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
E527 Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)
2.2 Other Document:
3
SAE J1086 Recommended Practice for Numbering Metals and Alloys
3. Ordering Information
3.1 It is the responsibility of the purchaser to specify all requirements that are necessary for material ordered under this
specification. Such requirements may include but are not limited to the following:
3.1.1 Quantity (weight or number of pieces),
3.1.2 Name of material: type or UNS designation (Table 1),
3.1.3 Condition,
3.1.4 Cross section (round, round-cornered square, etc.), and so forth),
3.1.5 Form: bar or forging billet,
3.1.6 Applicable dimensions, including size, thickness, width, and length,
3.1.7 ASTM designation and date of issue,
3.1.8 Preparation for delivery (see Specification A484/A484M),
3.1.9 Marking (see Specification A484/A484M), and
3.1.10 Exceptions to the specification or special requirements.
3.2 If possible, the intended use of the item should be given on the purchase order especially when the item is ordered for a
specific end use or uses.
NOTE 1—A typical ordering description is as follows: 10 000 lb, Type 420, annealed, round-cornered square billets, ASTM A314 dated for
valve parts.
4. Manufacture
4.1 Annealing—Blooms and billets of the 400 series of stainless steel types which are highly hardenable, such as Types 414,
420, 431, 440A, 440B, and 440C, are commonly annealed prior to shipment and so specified in order to avoid the possibility of
thermal cracking. Those grades are not normally furnished in the as-rolled or as-forged condition. Other hardenable grades, such
as Types 403, 410, 416, and 416 Se, which may also require annealing, depending on their composition and size, are furnished
suitable for cold cutting when so specified on the purchase order.
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.17
on Flat-Rolled and Wrought Stainless Steel.
Current edition approved Oct. 1, 2013July 15, 2015. Published October 2013July 2015. Originally approved in 1947. Last previous edition approved in 2013 as
A314 – 13.A314 – 13a. DOI: 10.1520/A0314-13a.10.1520/A0314-15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from Society of Automotive Engineers (SAE), 400 Commonwealth Dr., Warrendale, PA 15096-0001, http://www.sae.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
---------------------- Page: 1 ----------------------
A314 − 15
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 1
...
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