ASTM A314-13a
(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 −13a
StandardSpecification 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 Department of Defense.
1. Scope* 3.1.9 Marking (see Specification A484/A484M), and
3.1.10 Exceptions to the specification or special require-
1.1 This specification covers stainless steel billets and bars
ments.
intended only for forging.
3.2 If possible, the intended use of the item should be given
2. Referenced Documents
on the purchase order especially when the item is ordered for
2
a specific end use or uses.
2.1 ASTM Standards:
A484/A484M Specification for General Requirements for
NOTE 1—A typical ordering description is as follows: 10 000 lb, Type
Stainless Steel Bars, Billets, and Forgings
420, annealed, round-cornered square billets, ASTM A314 dated
A751 Test Methods, Practices, and Terminology for Chemi- for valve parts.
cal Analysis of Steel Products
4. Manufacture
E527 Practice for Numbering Metals and Alloys in the
4.1 Annealing—Blooms and billets of the 400 series of
Unified Numbering System (UNS)
stainlesssteeltypeswhicharehighlyhardenable,suchasTypes
2.2 Other Document:
414, 420, 431, 440A, 440B, and 440C, are commonly annealed
SAE J1086 Recommended Practice for Numbering Metals
3
prior to shipment and so specified in order to avoid the
and Alloys
possibility of thermal cracking. Those grades are not normally
3. Ordering Information furnished in the as-rolled or as-forged condition. Other hard-
enable grades, such as Types 403, 410, 416, and 416 Se, which
3.1 It is the responsibility of the purchaser to specify all
may also require annealing, depending on their composition
requirements that are necessary for material ordered under this
and size, are furnished suitable for cold cutting when so
specification. Such requirements may include but are not
specified on the purchase order.
limited to the following:
4.2 Conditioning—Material may be conditioned by chip-
3.1.1 Quantity (weight or number of pieces),
ping or grinding to remove injurious surface defects provided
3.1.2 Name of material: type or UNS designation (Table 1),
3.1.3 Condition, thedepthofconditioningdoesnotexceedthatwhichwillaffect
the surface condition or dimensions of the article to be forged
3.1.4 Cross section (round, round-cornered square, etc.),
3.1.5 Form: bar or forging billet, from the bar or billet.
3.1.6 Applicable dimensions, including size, thickness,
5. Chemical Composition
width, and length,
5.1 The steel shall conform to the chemical composition
3.1.7 ASTM designation and date of issue,
3.1.8 Preparation for delivery (see Specification A484/ prescribed in Table 1 for the respective grades.
A484M),
5.2 Methods and practices relating to chemical analysis
required by this specification shall be in accordance with Test
Methods, Practices, and Terminology A751.
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
6. Dimensions
A01.17 on Flat-Rolled and Wrought Stainless Steel.
Current edition approved Oct. 1, 2013. Published October 2013. Originally
6.1 Billets and bars shall conform to the shape and dimen-
approved in 1947. Last previous edition approved in 2013 as A314 – 13. DOI:
sions specified by the purchaser within a permissible variation
10.1520/A0314-13a.
2
of 65%.
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 7. General Requirements
the ASTM website.
3
7.1 In addition to the requirements of this specification, all
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001, http://www.sae.org. requirements of the current edition of Specification A484/
*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 ----------------------
A314−13a
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.
...
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 − 13 A314 − 13a
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 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.),
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 May 1, 2013Oct. 1, 2013. Published June 2013October 2013. Originally approved in 1947. Last previous edition approved in 20082013 as
A314 – 08.A314 – 13. DOI: 10.1520/A0314-13.10.1520/A0314-13a.
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 − 13a
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.
...
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