ASTM A534-01
(Specification)Standard Specification for Carburizing Steels for Anti-Friction Bearings
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
Relations
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 – 01
Standard Specification for
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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.
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1. Scope Nickel, and Cobalt Alloys
E 1077 Test Methods for Estimating the Depth of Decar-
1.1 This specification covers the requirements for carburiz-
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burization of Steel Specimens
ing bearing-quality steel to be used in the manufacture of
2.2 ISO Standard:
anti-friction bearings.
ISO 683 Part 17: Ball and Roller Bearing Steels
1.2 Supplementary requirements of an optional nature are
provided and when desired shall be so stated in the order.
3. Ordering Information
1.3 The values stated in inch-pound units are to be regarded
3.1 Orders for material under this specification should
as the standard.
include the following information:
2. Referenced Documents 3.1.1 Quantity,
3.1.2 Alloy grade identification,
2.1 ASTM Standards:
3.1.3 Specification designation and year of issue,
A 29/A 29M Specification for Steel Bars, Carbon and Alloy,
3.1.4 Dimensions, shape, and
Hot-Wrought and Cold Finished, General Requirements
2
3.1.5 Supplementary requirements.
for
A 255 Test Methods for Determining Hardenability of
4. Materials and Manufacture
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Steel
4.1 The steel shall be made by a process that is capable of
A 304 Specification for Carbon and Alloy Steel Bars Sub-
2 providing a high quality product meeting the requirements of
ject to End-Quench Hardenability Requirements
this specification.
A 510 Specification for General Requirements for Wire
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Rods and Coarse Round Wire, Carbon Steel
5. Chemical Composition and Analysis
A 519 Specification for Seamless Carbon and Alloy Steel
4 5.1 Typical examples of chemical compositions are shown
Mechanical Tubing
in Table 1. Other compositions may be specified.
A 751 Test Methods, Practices, and Terminology for
5.2 An analysis of each heat of steel shall be made by the
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Chemical Analysis of Steel Products
steel manufacturer in accordance with Test Methods, Practices,
A 752 Specification for General Requirements for Wire
and Terminology A 751. The chemical composition thus deter-
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Rods and Coarse Round Wire, Alloy Steel
mined shall conform to the requirements specified in Table 1
E 45 Test Methods for Determining the Inclusion Content
for the ordered grade, or to other requirements agreed upon
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of Steel
between manufacturer and purchaser.
E 112 Test Methods for Determining the Average Grain
5.3 Product analysis may be made by the purchaser in
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Size
accordance with Test Methods A 751. Permissible variations in
E 381 Method of Macroetch Testing Steel Bars, Billets,
product analysis shall be in accordance with Specification
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Blooms, and Forgings
A 29/A 29M, Practices, and Terminology.
E 1019 Test Methods for Determination of Carbon, Sulfur,
Nitrogen, Oxygen, and Hydrogen in Steel and in Iron,
6. Dimensions, Mass, and Permissible Variations
6.1 The size and shape of the material shall be agreed upon
between manufacturer and purchaser.
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This specification is under the jurisdiction of ASTM Committee A01 on Steel,
6.2 Dimensional tolerances shall conform to the require-
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
ments specified in Specifications A 29/A 29M, A 510, A 519,
A01.28 on Bearing Steels.
Current edition approved Dec. 10, 2001. Published February 2002. Originally
or A 752 as appropriate for the material or as agreed between
published as A 534–65. Last previous edition A 534–94.
manufacturer and purchaser.
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Annual Book of ASTM Standards, Vol 01.05.
3
Annual Book of ASTM Standards, Vol 01.03.
4
Annual Book of ASTM Standards, Vol 01.01.
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Annual Book of ASTM Standards, Vol 03.01. Annual Book of ASTM Standards, Vol 03.06.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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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.
A534–01
A,B
TABLE 1 Chemical Composition
C D
Number Name C Mn P (max) S (max) Si Cr Ni Mo Cu (max) O (max) Al (max)
. . . 4118H 0.17 to 0.23 0.60 to 1.00 0.025 0.015 0.15 to 0.35 0.30 to 0.70 . . . 0.08 to 0.15 0.30 0.0020 0.050
. . . 4320H 0.17 to 0.23 0.40 to 0.70 0.025 0.015 0.15 to 0.35 0.35 to 0.65 1.55 to 2.00 0.20 to 0.30 0.30 0.0020 0.050
. . . 4620H 0.17 to 0.23 0.35 to 0.75 0.025 0.015 0.15 to 0
...
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