ASTM A689-97

Standard Specification for Carbon and Alloy Steel Bars for Springs

SCOPE
1.1 This specification covers hot-wrought steel bars to be used for the manufacture of general-purpose springs such as coil, torsion, and leaf.  
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Jun-1997
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.15 - Bars

Relations

• Replaced By: ASTM A689-97(2002) - Standard Specification for Carbon and Alloy Steel Bars for Springs
• Effective Date: 10-Jan-2002
• Referred By: ASTM A125-96(2018) - Standard Specification for Steel Springs, Helical, Heat-Treated
• Effective Date: 10-Jun-1997
• Referred By: ASTM F1370-92(2019)e1 - Standard Specification for Pressure-Reducing Valves for Water Systems, Shipboard
• Effective Date: 10-Jun-1997
• Referred By: ASTM F1508-96(2021) - Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
• Effective Date: 10-Jun-1997
• Referred By: ASTM A29/A29M-23 - Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
• Effective Date: 10-Jun-1997

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
An American National Standard
Designation: A 689 – 97
Standard Specification for
Carbon and Alloy Steel Bars for Springs
This standard is issued under the fixed designation A 689; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.7 When special straightness or machine-cut lengths are
required, reference on the purchase order should be made to
1.1 This specification covers hot-wrought steel bars to be
Tables A1.10 and A1.9 or Tables A2.10 and A2.9 for SI units
used for the manufacture of general-purpose springs such as
of Specification A 29/A 29M, and
coil, torsion, and leaf.
3.1.8 Weight limitations per shipping bundle.
1.2 The values stated in inch-pound units are to be regarded
as the standard.
4. Melting Practice
2. Referenced Documents 4.1 The steel shall be made by one or more of the following
primary processes: open-hearth, basic-oxygen, or electric-
2.1 ASTM Standards:
furnace. The primary melting may incorporate separate degas-
A 29/A 29M Specification for Steel Bars, Carbon and Alloy,
sing or refining and may be followed by secondary melting
Hot-Wrought and Cold-Finished, General Requirements
2 using electroslag remelting or vacuum arc remelting. Where
for
secondary melting is employed, the heat shall be defined as all
A 255 Test Method for End-Quench Test for Hardenability
2 of the ingots remelted from a single primary heat.
of Steel
A 304 Specification for Carbon and Alloy Steel Bars, Sub-
5. Chemical Composition or Hardenability Requirements
ject to End-Quench Hardenability Requirements
2 5.1 When the steel is specified by chemical composition, the
A 322 Specification for Steel Bars, Alloy, Standard Grades
standard steel grades are the AISI series 1000, 4100, 5100,
A 576 Specification for Steel Bars, Carbon, Hot-Wrought,
2 6100, 8600, and 9200, and those including Boron AISI series
Special Quality
10B00, 15B00, 50B00, and 51B00. The specific grades are
E 112 Test Methods for Determining the Average Grain
3 listed in Specifications A 322 and A 576.
Size
5.2 Modifications may be made in the chemistry of the
3. Ordering Information standard AISI grades to suit the hardenability required for a
particular bar size, spring shape, or other special requirements.
3.1 Purchase orders for material to this specification shall
The steel supplier should be consulted on availability of any
include the following information as required to describe the
special chemical compositions.
desired material adequately:
5.2.1 A chemical analysis of each heat of steel purchased
3.1.1 ASTM designation A 689,
under 5.1 and 5.2 shall be made by the steel producer to
3.1.2 AISI grade number indicating the chemical composi-
determine the percentage of the elements, which percentages
tion (see 5.1), special chemistry required (see 5.2), or harden-
shall conform to the requirements of the designated AISI grade
ability (see 5.3),
or special chemistry. The chemical analysis thus determined
3.1.3 Quantity (number of bars or weight),
shall be reported to the purchaser.
3.1.4 Cross section description and dimensions or drawings
5.3 When the steel is specified by end-quench hardenability
of section,
requirements (alloy steels), the grade is identified by the suffix
3.1.5 Bar lengths,
letter “H.” The standard alloy steel grades are the AISI series
3.1.6 When purchaser’s processing requires cold shearing,
4100H, 5100H, 6100H, 8600H, and 9200H and those including
cold punching, and cold trimming, this should be noted.
Boron AISI series 50B00H and 51B00H. The specific grades
are listed in Specification A 304.
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
5.3.1 Hardenability requirements (band limits) shall be
Stainless Steel and Related Alloys, and is the direct responsibility of Subcommittee
shown on the purchase order as outlined in the applicable
A01.15 on Bars.
sections of Specification A 304.
Current edition approved June 10, 1997. Published October 1997. Originally
e2
published as A 689 – 74. Last previous edition A 689 – 81a(1993) . 5.3.2 The end-quench hardenability tests from each heat of
Annual Book of ASTM Standards, Vol 01.05.
steel shall be made in accordance with Test Method A 255,
Annual Book of ASTM Standards, Vol 03.01.
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
A 689–97
with the exception that a cast hardenability test specimen may 6.5 Special Cross Section Shapes, such as Keystone—A
be acceptable. The test results shall conform within the drawing of the cross section including the tolerances should
specified limits and shall be reported to the purchaser. accompany the purchase order. It is recommended that the steel
supplier be contacted concerning the availability of any special
6. General Requirements
cross section.
6.1 The hot-wrought bars shall be furnished in the as- 6.6 Length and Straightness of Bars:
wrought condition and shall conform to the general require-
6.6.1 For straightness and length tolerances, see Tables
ments as outlined in Specification A 29/A 29M, excepting that
A1.10 and A1.8, or Tables A2.10 and A2.8 for SI units of
the spring steel bars shall not be marked by hot- or cold-
Sp
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