ASTM A228/A228M-14
(Specification)Standard Specification for Steel Wire, Music Spring Quality
Standard Specification for Steel Wire, Music Spring Quality
ABSTRACT
This specification covers high quality, round, cold-drawn steel music spring quality wire for the manufacture of springs subject to high stresses or requiring good fatigue properties. The steel shall either be ingot cast or strand cast. Heat and product analysis shall be performed wherein steel materials shall conform to required chemical compositions of carbon, manganese, phosphorus, sulfur, and silicon. Steel specimens shall also undergo tension test, wrap test, and torsion tests. Final products shall be marked by a tag.
SCOPE
1.1 This specification covers a high quality, round, cold-drawn steel music spring quality wire, uniform in mechanical properties, intended especially for the manufacture of springs subject to high stresses or requiring good fatigue properties.
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.
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Designation:A228/A228M −14
Standard Specification for
1
Steel Wire, Music Spring Quality
This standard is issued under the fixed designationA228/A228M; the number immediately following the designation indicates the year
of original adoption or, in the case of revision, the year of last revision.Anumber 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 2.2 Federal Standard:
3
Fed. Std. No. 123,Marking for Shipment (Civil Agencies)
1.1 This specification covers a high quality, round, cold-
4
2.3 American National Standard:
drawn steel music spring quality wire, uniform in mechanical
B32.4Preferred Metric Sizes for Round, Square, Rectangle,
properties, intended especially for the manufacture of springs
and Hexagon Metal Products
subject to high stresses or requiring good fatigue properties.
5
2.4 AIAG Standard:
1.2 The values stated in either SI units or inch-pound units
AIAG B-502.00 Primary Metals IdentificationTagApplica-
are to be regarded separately as standard. The values stated in
tion Standard
each system may not be exact equivalents; therefore, each
3. Terminology
system shall be used independently of the other. Combining
values from the two systems may result in non-conformance
3.1 Definitions—For definitions of terms used in this
with the standard.
specification, refer to Terminology A941.
2. Referenced Documents
4. Ordering Information
2
2.1 ASTM Standards:
4.1 Orders for steel wire under this specification shall
A370Test Methods and Definitions for Mechanical Testing
contain the following information:
of Steel Products
4.1.1 Quantity (weight in lbs, or mass in kg),
A510/A510MSpecification for General Requirements for
4.1.2 Name of material (music steel spring wire),
Wire Rods and Coarse Round Wire, Carbon Steel
4.1.3 Diameter (Table 1 and Section 9),
A700Guide for Packaging, Marking, and Loading Methods
4.1.4 Finish (see 10.2),
for Steel Products for Shipment
4.1.5 Packaging (Section 15), and
A751Test Methods, Practices, and Terminology for Chemi-
4.1.6 ASTM designation and year of issue.
cal Analysis of Steel Products
4.2 Thepurchasershallhavetheoptiontospecifyadditional
A938Test Method for Torsion Testing of Wire
requirements, including but not limited to:
A941TerminologyRelatingtoSteel,StainlessSteel,Related
4.2.1 Requirements for certifications, heat, or test reports,
Alloys, and Ferroalloys
(see Section 14),
E29Practice for Using Significant Digits in Test Data to
4.2.2 Special packing, marking, and loading requirements
Determine Conformance with Specifications
(see Section 15), and
E1077Test Methods for Estimating the Depth of Decarbur-
4.2.3 Other special requirements, if any,
ization of Steel Specimens
NOTE 1—Atypical inch-pound units ordering description is as follows:
10000 lb Music Steel Spring Wire, 0.055 in. diameter, phosphate coated
1
This specification is under the jurisdiction ofASTM Committee A01 on Steel,
in 1000 lb coils to ASTM A288M_A228M dated _____, or for metric
Stainless Steel and RelatedAlloys and is the direct responsibility of Subcommittee
A01.03 on Steel Rod and Wire.
3
Current edition approved March 1, 2014. Published April 2014. Originally Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
approved in 1939. Last previous edition approved in 2007 as A228/A228M–07. Section D, 700 Robbins Ave., Philadelphia, PA 19111–5098, http://
DOI: 10.1520/A0228_A0228M-14. www.dodssp.daps.mil.
2 4
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 4th Floor, New York, NY 10036, http://www.ansi.org.
5
Standards volume information, refer to the standard’s Document Summary page on Available fromAutomotive IndustryAction Group (AIAG), 26200 Lahser Rd.,
the ASTM website. Suite 200, Southfield, MI 48033, http://www.aiag.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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A228/A228M−14
TABLE 1 Tensile Requirements
wire furnished to this specification shall be in accordance with
Inch-Pound Units
Specification A510/A510M.
5.2 The finished wire shall be free from detrimental pipe
Diameter, Tensile Strength, Tensile Strength,
A
in. ksi Diameter, ksi
and undue segregation.
A
min max in. min max
5.3 The wire shall be cold drawn to produce the desired
0.004 439 485 0.059 296 327
mechanical properties.
0.005 426 471 0.063 293 324
0.006 415 459 0.067 290 321
0.007 407 449 0.072 287 317 6. Chemical Composition
0.008 399 441 0.076 284 314
6.1 Thesteels
...
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: A228/A228M − 07 A228/A228M − 14
Standard Specification for
1
Steel Wire, Music Spring Quality
This standard is issued under the fixed designation A228/A228M; 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 a high quality, round, cold-drawn steel music spring quality wire, uniform in mechanical
properties, intended especially for the manufacture of springs subject to high stresses or requiring good fatigue properties.
1.2 The values stated in either SI (metric) units or inch-pound units are to be regarded separately as standard. The values stated
in each system aremay not be exact equivalents; therefore, each system mustshall be used independently of the other. Combining
values from the two systems may result in non-conformance with the standard.
2. Referenced Documents
2
2.1 ASTM Standards:
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A510A510/A510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel
A510M Specification for General Requirements for Wire Rods and Coarse Round Wire, Carbon Steel (Metric) (Withdrawn
3
2011)
3
A700 Practices for Packaging, Marking, and Loading Methods for Steel Products for Shipment (Withdrawn 2014)
A751 Test Methods, Practices, and Terminology for Chemical Analysis of Steel Products
A938 Test Method for Torsion Testing of Wire
A941 Terminology Relating to Steel, Stainless Steel, Related Alloys, and Ferroalloys
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E1077 Test Methods for Estimating the Depth of Decarburization of Steel Specimens
2.2 Military Standard:
4
MIL-STD-163 Steel Mill Products, Preparation for Shipment and Storage
2.2 Federal Standard:
4
Fed. Std. No. 123, Marking for Shipment (Civil Agencies)
5
2.3 American National Standard:
B32.4 Preferred Metric Sizes for Round, Square, Rectangle, and Hexagon Metal Products
6
2.4 AIAG Standard:
AIAG B-5 02.00 Primary Metals Identification Tag Application Standard
3. Terminology
3.1 Definitions—For definitions of terms used in this specification, refer to Terminology A941.
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 A01.03
on Steel Rod and Wire.
Current edition approved Dec. 1, 2007March 1, 2014. Published January 2008April 2014. Originally approved in 1939. Last previous edition approved in 20022007 as
A228/A228M – 02.A228/A228M – 07. DOI: 10.1520/A0228_A0228M-07.10.1520/A0228_A0228M-14.
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
The last approved version of this historical standard is referenced on www.astm.org.
4
Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098,19111–5098, http://
www.dodssp.daps.mil.
5
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
6
Available from Automotive Industry Action Group (AIAG), 26200 Lahser Rd., Suite 200, Southfield, MI 48033, http://www.aiag.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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A228/A228M − 14
4. Ordering Information
4.1 It shall be the responsibility of the purchaser to specify all requirements that are necessary for material under this
specification. Such requirements may include, but are not limited to, Orders for steel wire under this specification shall contain the
following information:
4.1.1 Quantity (mass), (weight in lbs, or mass in kg),
4.1.2 Name of material (music steel spring wire),
4.1.3 DimensionsDiameter (Table 1 and Section 9),
4.1.4 Finish (see 10.2),
4.1.5 Packaging (Section 15), and
4.1.6 Heat analysis report, if requested (see 6.2),
4.1.7 Certification or test report, or both, if specified (Section 14), and
4.1.6 ASTM designation and y
...
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