ASTM A713-93(1998)

Standard Specification for Steel Wire, High-Carbon Spring, for Heat-Treated Components

SCOPE
1.1 This specification covers round carbon spring steel wire in coils intended for the manufacture of mechanical springs and wire forms that are heat treated (austenitized, quenched, and tempered) after fabrication.  
1.2 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Oct-1998
• ICS: 77.140.25 - Spring steels
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.03 - Steel Rod and Wire

Relations

• Replaced By: ASTM A713-04 - Standard Specification for Steel Wire, High-Carbon Spring, for Heat-Treated Components
• Effective Date: 01-Mar-2004

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: A 713 – 93 (Reapproved 1998)
Standard Specification for
Steel Wire, High-Carbon Spring, for Heat-Treated
Components
This standard is issued under the fixed designation A 713; 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 AIAGB-5 02.00 Primary Metals Identification Tag Applica-
tion Standard
1.1 This specification covers round carbon spring steel wire
in coils intended for the manufacture of mechanical springs and
3. Terminology
wire forms that are heat treated (austenitized, quenched, and
3.1 Definitions:
tempered) after fabrication.
3.1.1 heat-treated components—mechanical springs or wire
1.2 The values stated in inch-pound units are to be regarded
forms that are austenitized, quenched, and tempered after
as the standard.
fabrication.
2. Referenced Documents 3.2 Refer to Terminology A 919 for a more detailed descrip-
tion of heat-treating terms.
2.1 ASTM Standards:
A 370 Test Methods and Definitions for Mechanical Testing
4. Ordering Information
of Steel Products
4.1 Orders for material under this specification should
A 510 Specification for General Requirements for Wire
2 include the following information:
Rods and Coarse Round Wire, Carbon Steel
4.1.1 Quantity (weight),
A 700 Practices for Packaging, Marking, and Loading
3 4.1.2 Name of material (Sections 1 and 6),
Methods for Steel Products for Domestic Shipment
4.1.3 Diameter (Table 1),
A 919 Terminology Relating to Heat Treatment of Metals
4.1.4 Packaging, marking, and loading (Section 12),
E 29 Practice for Using Significant Digits in Test Data to
4.1.5 ASTM designation and date of issue,
Determine Conformance With Specifications
4.1.6 Special requirements (Sections 7 and 8), and
E 30 Test Methods for Chemical Analysis of Steel, Cast
6 4.1.7 End use.
Iron, Open-Hearth Iron, and Wrought Iron
E 112 Test Methods for Determining Average Grain Size
NOTE 1—A typical ordering description is as follows: Steel Wire, High
E 350 Test Methods for Chemical Analysis of Carbon Steel, Carbon Spring, for Heat-Treated Components, Grade 1070, to ASTM
A 713 dated ________, for Door Closer Springs, 30 000 lb, Size 0.250 in.
Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and
in 500-lb Catch Weight Coils.
Wrought Iron
E 527 Practice for Numbering Metals and Alloys (UNS)
5. Materials and Manufacture
2.2 Society of Automotive Engineers Standard:
5.1 The steel shall be made by the open-hearth, basic-
J 1086 Numbering Metals and Alloys
oxygen, or electric-furnace process.
2.3 AIAG Standard:
5.2 The wire, prior to fabrication, shall be thermally treated
or thermally treated and drawn.
5.3 The condition or wire (metallurgical and mechanical
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Stainless Steel and Related Alloys, and is the direct responsibility of Subcommittee
properties) to be used is at the discretion of the purchaser and
A01.03 on Steel Rod and Wire.
is generally dependent on the severity of the component part to
Current edition approved July 15, 1993. Published September 1993. Originally
be formed.
published as A 713 – 75. Last previous edition A 713 – 91.
Annual Book of ASTM Standards, Vol 01.03.
6. Chemical Composition
Annual Book of ASTM Standards, Vol 01.05.
Annual Book of ASTM Standards, Vol 01.02.
6.1 The steel shall conform to the requirements for chemical
Annual Book of ASTM Standards, Vol 14.02.
6 composition prescribed in Table 2 for the grade ordered.
Annual Book of ASTM Standards, Vol 03.05.
Annual Book of ASTM Standards, Vol 03.01.
Annual Book of ASTM Standards, Vol 01.01.
9 10
Available from Society of Automotive Engineers (SAE), 400 Commonwealth Available from the Automotive Industry Action Group, 26200 Lahser, Suite
Dr., Warrendale, PA 15096. 200, Southfield, MI 48034.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
A 713 – 93 (1998)
TABLE 1 Permissible Variations in Wire Diameter
8. Mechanical Properties
NOTE—For purposes of determining conformance with this specifica- 8.1 Tensile strength is not normally a requirement. Mini-
tion, all specified limits are considered absolute as defined in Practice
mum or maximum values for tensile strength may be agreed
E 29.
upon between the purchaser and manufacturer and are depen-
dent on the chemical composition, thermal treatment, and
Diameter, in. (mm) Permissible Permissible
diameter of wire specified.
Variations, Out-of-Round,
Plus and Mi- in. (mm) 8.2 Wrap Test:
nus, in. (mm)
8.2.1 Requirements—Wire shall wind without fracture on a
0.035 to 0.075 (0.89 to 1.90), incl 0.001 (0.03) 0.001 (0.03)
cylindrical mandrel of a diameter specified in Table 3. The
Over 0.075 to 0.375 (1.90 to 9.52), incl 0.002 (0.05) 0.002 (0.05)
wrap test is not applicable to wires over 0.312 in. (8 mm).
Over 0.375 to 0.625 (9.52 to 15.88), incl 0.003 (0.08) 0.003 (0.08)
Since the conventional methods will not accommodate wire
sizes over 0.312 in., an alternative test procedure may be
TABLE 2 Chemical Composition agreed upon between the purchaser and manufacturer.
8.2.2 Number of Tests—At least one test specimen shall be
NOTE— The following ranges of silicon are commonly specified for
taken for each ten coils or fraction thereof in a lot.
high-carbon steels: 0.10 to 0.20 %; 0.15 to 0.30 %; 0.20 to 0.40 %; or 0.30
8.2.3 Location of Test—The test specimen shall be taken
to 0.60 %.
from either end of the coil.
Composition, %
8.2.4 Test Method—The wrap test shall be made in accor-
UNS
Carbon Manga- Phos- Sulfur, dance with Supplement IV of Test Methods and Definitions
Grade
A
Designation
nese phorus, max
A 370.
max
G 10550 1055 0.50–0.60 0.60–0.90 0.040 0.050 9. Dimensions and Tolerances
G 10590 1059 0.55–0.65 0.50–0.80 0.040 0.050
9.1 The diameter of the wire shall not vary from the
G 10600 1060 0.55–0.65 0.60–0.90 0.040 0.050
G 10640 1064 0.60–0.70 0.50–0.80 0.040 0.050
specified size by more than the tolerance shown in Table 1.
G 10650 1065 0.60–0.70 0.60–0.90 0.040 0.050
G 10690 1069 0.65–0.75 0.40–0.70 0.040 0.050
10. Workmanship
G 10700 1070 0.65–0.75 0.60–0.90 0.040 0.050
G 10740 1074 0.70–0.80 0.50–0.80 0.040 0.050 10.1 The surface of the wir
...