ASTM A534-94

Standard Specification for Carburizing Steels for Anti-Friction Bearings

SCOPE
1.1 This specification covers the requirements for carburizing bearing-quality steel to be used in the manufacture of anti-friction bearings.
1.2 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.  
1.3 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Dec-2001
• ICS: 77.140.10 - Heat-treatable steels
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.28 - Bearing and Power Transmission Steels

Relations

• Replaced By: ASTM A534-01 - Standard Specification for Carburizing Steels for Anti-Friction Bearings
• Effective Date: 10-Dec-2001

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NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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 534 – 94 An American National Standard
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
1
Carburizing Steels for Anti-Friction Bearings
This standard is issued under the fixed designation A 534; 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.
This standard has been approved for use by agencies of the Department of Defense. Consult the DoD Index of Specifications and
Standards for the specific year of issue which has been adopted by the Department of Defense.
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1. Scope ization of Steel Specimens
1.1 This specification covers the requirements for carburiz-
3. Ordering Information
ing bearing-quality steel to be used in the manufacture of
3.1 Orders for material under this specification should
anti-friction bearings.
include the following information:
1.2 Supplementary requirements of an optional nature are
3.1.1 Quantity,
provided and when desired shall be so stated in the order.
3.1.2 Alloy grade identification,
1.3 The values stated in inch-pound units are to be regarded
3.1.3 Specification designation and year of issue, and
as the standard.
3.1.4 Dimensions, shape, and
3.1.5 Supplementary requirements.
2. Referenced Documents
4. Materials and Manufacture
2.1 ASTM Standards:
A 29/A29MSpecification for Steel Bars, Carbon and Alloy,
4.1 The steel shall be made by a process that is capable of
Hot-Wrought and Cold Finished, General Requirements providing a high quality product meeting the requirements of
2
for
this specification.
A 255 Method for End-Quench Test for Hardenability of
2 5. Chemical Composition and Analysis
Steel
A 304 Specification for Steel Bars, Alloy, Subject to End-
5.1 Typical examples of chemical compositions are shown
2
Quench Hardenability Requirements in Table 1. Other compositions may be specified.
A 510 Specification for General Requirements for Wire
5.2 An analysis of each heat of steel shall be made by the
3
Rods and Coarse Round Wire, Carbon Steel steel manufacturer in accordance with Test Methods, Practices,
A 519 Specification for Seamless Carbon and Alloy Steel
and Terminology A 751. The chemical composition thus deter-
4
Mechanical Tubing mined shall conform to the requirements specified in Table 1
A 751 Test Methods, Practices, and Terminology for
for the ordered grade, or to other requirements agreed upon
3
Chemical Analysis of Steel Products between manufacturer and purchaser.
A 752 Specification for General Requirements for Wire
5.3 Product analysis may be made by the purchaser in
3
Rods and Coarse Round Wire, Alloy Steel accordance with Test Methods A 751. Permissible variations in
E 45 Practice for Determining the Inclusion Content of product analysis shall be in accordance with Specification
5
Steel A 29/A 29M, Practices, and Terminology.
E 112 Test Methods for Determining the Average Grain
5 6. Dimensions, Mass, and Permissible Variations
Size
E 381 Method of Macroetch Testing, Inspection, and Rating 6.1 The size and shape of the material shall be agreed upon
between manufacturer and purchaser.
Steel Products, Comprising Bars, Billets, Blooms, and
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Forgings 6.2 Dimensional tolerances shall conform to the require-
E 1077 Test Method for Estimating the Depth of Decarbur- ments specified in Specifications A 29/A 29M, A 510, A 519,
or A 752 as appropriate for the material or as agreed between
manufacturer and purchaser.
1
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
6.3 The dimensional tolerances for the forgings shall con-
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
form to the requirements of the engineering drawing.
A01.28 on Bearings Steels.
Current edition approved June 15, 1994. Published August 1994. Originally
7. Quality Assurance
published as A 534 – 65. Last previous edition A 534 – 92a.
2
Annual Book of ASTM Standards, Vol 01.05.
7.1 The supplier shall be held responsible for the quality of
3
Annual Book of ASTM Standards, Vol 01.03.
4
the material furnished and shall make the necessary tests to
Annual Book of ASTM Standards, Vol 01.01.
5
Annual Book of ASTM Standards, Vol 03.01. ensure this quality. The supplier shall be required to report on
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A 534
A
1
TABLE 1 Chemical Composition
exceeding a rating of 2 ⁄2. Fields with sizes or numbers of all
types of inclusions intermediate between configurations shown
Alloy Composition, %
on the chart shall be classified as the lesser of the rating
Grade
Ca
...