ASTM A314-23
(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.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
General Information
Relations
Buy Standard
Standards Content (Sample)
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: A314 − 23
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* 3.1.4 Cross section (round, round-cornered square, and so
forth),
1.1 This specification covers stainless steel billets and bars
3.1.5 Form: bar or forging billet,
intended only for forging.
3.1.6 Applicable dimensions, including size, thickness,
1.2 This international standard was developed in accor-
width, and length,
dance with internationally recognized principles on standard-
3.1.7 ASTM designation and date of issue,
ization established in the Decision on Principles for the
3.1.8 Preparation for delivery (see Specification A484/
Development of International Standards, Guides and Recom-
A484M),
mendations issued by the World Trade Organization Technical
3.1.9 Marking (see Specification A484/A484M), and
Barriers to Trade (TBT) Committee.
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:
on the purchase order especially when the item is ordered for
A484/A484M Specification for General Requirements for
a specific end use or uses.
Stainless Steel Bars, Billets, Shapes, and Forgings
A751 Test Methods and Practices for Chemical Analysis of NOTE 1—A typical ordering description is as follows: 10 000 lb, Type
420, annealed, round-cornered square billets, ASTM A314 dated
Steel Products
for valve parts.
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
4. Manufacture
2.2 Other Document:
4.1 Annealing—Blooms and billets of the 400 series of
SAE J1086 Recommended Practice for Numbering Metals
3
stainless steel types which are highly hardenable, such as Types
and Alloys
414, 420, 431, 440A, 440B, and 440C, are commonly annealed
prior to shipment and so specified in order to avoid the
3. Ordering Information
possibility of thermal cracking. Those grades are not normally
3.1 It is the responsibility of the purchaser to specify all
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),
4.2 Conditioning—Material may be conditioned by chip-
3.1.3 Condition,
ping or grinding to remove injurious surface defects provided
the depth of conditioning does not exceed that which will affect
1
the surface condition or dimensions of the article to be forged
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
from the bar or billet.
A01.17 on Flat-Rolled and Wrought Stainless Steel.
Current edition approved Nov. 1, 2023. Published November 2023. Originally
5. Chemical Composition
approved in 1947. Last previous edition approved in 2019 as A314 – 19. DOI:
10.1520/A0314-23.
5.1 The steel shall conform to the chemical composition
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
prescribed in Table 1 for the respective grades.
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
5.2 Methods and practices relating to chemical analysis
the ASTM website.
3
required by this specification shall be in accordance with Test
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001, http://www.sae.org. Methods, Practices, and Terminology A751.
*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 − 23
TABLE 1 Chemical Requirements
B
Chemical Composition, %
UNS
Type
Desig-
F Man- Phos- Molyb- Other
Number
A Carbon Sulfur S
...
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 − 19 A314 − 23
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.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
2
2.1 ASTM Standards:
A484/A484M Specification for General Requirements for Stainless Steel Bars, Billets, Shapes, and Forgings
A751 Test Methods and Practices 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, and so forth),
3.1.5 Form: bar or forging billet,
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 Feb. 1, 2019Nov. 1, 2023. Published February 2019November 2023. Originally approved in 1947. Last previous edition approved in 20152019
as A314 – 15.A314 – 19. DOI: 10.1520/A0314-19.10.1520/A0314-23.
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 − 23
TABLE 1 Chemical Requirements
B
Chemical Composition, %
UNS
Type
Desig-
F Man- Phos- Molyb- Other
Number
A Carbon Sulfur Silicon Chromium Nickel Nitrogen
F
nation
ganese phorus denum Elements
Austenitic Grades
N08020 Alloy 20 0.07 2.00 0.045 0.035 1.00 19.0–21.0 32.0–38.0 2.00–3.00 . . . Cu 3.0–4.0
Nb 8 × C min,
1.00 max
N08367 . . . 0.030 2.00 0.040 0.030 1.00 20.0–22.0 23.5–25.5 6.0–7.0 0.18–0.25 Cu 0.75
G
N08800 800 0.10 1.50 0.045 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . Fe 39.5 min
Cu 0.75
Al 0.15–0.60
Ti 0.15–0.60
G
N08810 800H 0.05–0.10 1.50 0.045 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . Fe 39.5 min
Cu 0.75
Al 0.15–0.60
Ti 0.15–0.60
G
N08811 . . . 0.06–0.10 1.50 0.045 0.015 1.00 19.0–23.0 30.0–35.0 . . . . . . Fe 39.5 min
Cu 0.75
H
Al 0.25–0.60
H
Ti 0.25–0.60
N08700 . . . 0.040 2.00 0.040 0.030 1.00 19.0–23.0 24.0–26.0 4.3–5.0 . . . Cu 0.50
Nb 8 x C min,
0.40 max
N08904 904L 0.020 2.00 0.045 0.035 1.00 19.0–23.0 23.0–28.0 4.0–5.0 0.10 Cu 1.0–2.0
N08925 . . . 0.020 1.00 0.045 0.030 0.50 9.0–21.0 24.0–26.0 6.0–7.0 0.10–0.20 Cu 0.80–1.50
N08926 . . . 0.020 2.00 0.030 0.010 0.50 9.0–21.0 24.0–26.0 6.0–7.0 0.15–0.25 Cu 0.50–1.50
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 Nb 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 19.0
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.