ASTM A313/A313M-13
(Specification)Standard Specification for Stainless Steel Spring Wire
Standard Specification for Stainless Steel Spring Wire
ABSTRACT
This guide covers standard specification for austenitic and age-hardenable stainless steel round spring wire intended especially for the manufacture of springs. The steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, nitrogen, and other elements. The material shall conform to the required tensile strengths following the prescribed heat treatment. Tensile strength requirements for hardened wires and stress-relieved materials shall be given. Mechanical tests such as wrap test, uniformity (coil test), and bend test hall be performed on the steel material.
SCOPE
1.1 This specification covers austenitic, austenitic-ferritic, and age-hardenable stainless steel round spring wire intended especially for the manufacture of springs.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 Unless the order specifies an “M” designation, the material shall be furnished to inch-pound units.
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Designation:A313/A313M −13
Standard Specification for
1
Stainless Steel Spring Wire
This standard is issued under the fixed designationA313/A313M; 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* 3.1.2 Name of material (stainless steel spring wire),
3.1.3 Finish (see 8.1),
1.1 This specification covers austenitic, austenitic-ferritic,
3.1.4 Dimension (diameter),
and age-hardenable stainless steel round spring wire intended
3.1.5 Type designation (Table 1),
especially for the manufacture of springs.
3.1.6 ASTM designation and date of issue,
1.2 The values stated in either SI units or inch-pound units
3.1.7 Tensile strength level, when applicable (Table 11 and
are to be regarded separately as standard. The values stated in
Table 12),
each system may not be exact equivalents; therefore, each
3.1.8 Supplementary requirements for government
system shall be used independently of the other. Combining
procurement, and
values from the two systems may result in non-conformance
3.1.9 Special requirements.
with the standard.
NOTE 1—A typical ordering description is as follows:
1.3 Unless the order specifies an “M” designation, the
2000 lb (1000 kg) Stainless Steel Spring Wire, cold-drawn Class 1,
material shall be furnished to inch-pound units.
bright finish, 0.032-in. (0.82 mm) diameter, in 100-lb (50 kg) 16-in. (0.4
m) coils, Type 302 to ASTM A313, dated ____.
2. Referenced Documents
4. General Requirements for Delivery
2
2.1 ASTM Standards:
4.1 In addition to the requirements of this specification, all
A555/A555M Specification for General Requirements for
requirements of the current edition of Specification A555/
Stainless Steel Wire and Wire Rods
A555M shall apply. Failure to comply with the general
A751 Test Methods, Practices, and Terminology for Chemi-
requirements of Specification A555/A555M constitutes non-
cal Analysis of Steel Products
conformance with this specification.
E527 Practice for Numbering Metals and Alloys in the
Unified Numbering System (UNS)
5. Manufacture
3
2.2 Society of Automotive Engineers Standard:
5.1 Types 302 Class 1, 304, 305, 316, 321, 347, UNS
J 1086 Numbering Metals and Alloys
S20230, and Grades S20430 and XM-28 shall be cold drawn to
produce the required mechanical properties.
3. Ordering Information
5.2 Type 631, Type 302 Class 2, and Grade XM-16 shall be
3.1 It is the responsibility of the purchaser to specify all
furnished in the cold-drawn condition ready for fabrication.
requirements that are necessary for material ordered under this
Following fabricationType 631 and Grade XM-16 shall be age
specification. Such requirements may include, but are not
or precipitation hardened to produce their maximum strength
limited to the following:
properties. The tensile strengths to be obtained following the
3.1.1 Quantity (weight),
prescribed heat treatment are shown in Table 2 and Table 3 for
hardened wire. Type 302 Class 2 shall be stress relieved
1
This specification is under the jurisdiction of ASTM Committee A01 on Steel,
following fabrication and meet the requirements shown in
Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee
Table 4. The nominal as-drawn tensile strengths are provided
A01.17 on Flat-Rolled and Wrought Stainless Steel.
as a guide for the spring manufacturer.
Current edition approved Oct. 1, 2013. Published October 2013. Originally
ε1
approved in 1947. Last previous edition approved in 2010 as A313/A313M – 10 .
5.3 Grade S30151 shall be either cold drawn or cold drawn
DOI: 10.1520/A0313_A0313M-13.
and heat treated to produce the required mechanical properties.
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 6. Chemical Composition
the ASTM website.
3
6.1 The steel shall conform to the requirements as to
Available from Society of Automotive Engineers (SAE), 400 Commonwealth
Dr., Warrendale, PA 15096-0001, http://www.sae.org. chemical composition prescribed in Table 1.
*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 ----------------------
A313/A313M−13
TABLE 1 Chemical Requirements
B
UNS Type Composition, %
A
Designation
Carbon Manganese Phosphorus Sulfur Silicon Chromium Nickel Molybdenum Nitrogen Oth
...
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.
´1
Designation: A313/A313M − 10 A313/A313M − 13
Standard Specification for
1
Stainless Steel Spring Wire
This standard is issued under the fixed designation A313/A313M; 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
ε NOTE—Table 1 layout editorially corrected in July 2010.
1. Scope*
1.1 This specification covers austenitic austenitic, austenitic-ferritic, and age-hardenable stainless steel round spring wire
intended especially for the manufacture of springs.
1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each
system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the
two systems may result in non-conformance with the standard.
1.3 Unless the order specifies an “M” designation, the material shall be furnished to inch-pound units.
2. Referenced Documents
2
2.1 ASTM Standards:
A555/A555M Specification for General Requirements for Stainless Steel Wire and Wire Rods
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)
3
2.2 Society of Automotive Engineers Standard:
J 1086 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),
3.1.2 Name of material (stainless steel spring wire),
3.1.3 Finish (see 8.1),
3.1.4 Dimension (diameter),
3.1.5 Type designation (Table 1),
3.1.6 ASTM designation and date of issue,
3.1.7 Tensile strength level, when applicable (Table 11 and Table 12),
3.1.8 Supplementary requirements for government procurement, and
3.1.9 Special requirements.
NOTE 1—A typical ordering description is as follows:
2000 lb (1000 kg) Stainless Steel Spring Wire, cold-drawn Class 1, bright finish, 0.032-in. (0.82 mm) diameter, in 100-lb (50 kg) 16-in. (0.4 m) coils,
Type 302 to ASTM A313, dated ____.
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 April 1, 2010Oct. 1, 2013. Published April 2010October 2013. Originally approved in 1947. Last previous edition approved in 20082010 as
ε1
A313/A313M – 08.A313/A313M – 10 . DOI: 10.1520/A0313_A0313M-10E01.10.1520/A0313_A0313M-13.
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 ----------------------
A313/A313M − 13
TABLE 1 Chemical Requirements
B
UNS Type Composition, %
A
Designation
Carbon Manganese Phosphorus Sulfur Silicon Chromium Nickel Molybdenum Nitrogen Other Elements
Austenitic Grades
S 24100 XM-28 0.15 11.0–14.0 0.060 0.030 1.00 16.5–19.0 0.50–2.50 0.20–0.45
S 30200 302 0.12 2.00 0.045 0.030 1.00 17.0–19.0 8.0–10.0 0.10
S 30400 304 0.08 2.00 0.045 0.030 1.00 18.0–20.0 8.0–10.5 0.10
S 30500 305 0.12 2.00 0.045 0.030 1.00 17.0–19.0 10.5–13.0
S 31600 316 0.07 2.00 0.045 0.030 1.00 16.5–18.0 10.5–13.5 2.00–2.50 0.10
S 32100 321 0.08 2.00 0.045 0.030 1.00 17.0–19.0 9.0–12.0 Ti 5×C min
S 34700 347 0.08 2.00 0.045 0.030 1.00 17.0–19.0 9.0–13.0 (Cb + Ta)
10×C min
S 30151 0.07–0.09 1.50–2.00 0.025 0.010 1.20–1.80 16.0–18.0 7.0–9.0 0.50–1.00 0.07–0.11 Cu 0.40 max
S 20230 0.02–0.06 2.0–6.0 0.045 0.030 1.00 17.0–19.0 2.0–4.5 1.0 0.13–0.25 Cu 2.0-4.0
Age-Hardenable Grades
S 17700 631 0.09 1.00 0.040 0.030 1.00 16.0–18.0 6.5–7.8 Al 0.75–
1.50
S 45500 XM-16 0.05 0.50 0.040 0.030 0.50 11.0–12.5 7.5–9.5 0.50 max T
...
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