ASTM A952/A952M-98

Standard Specification for Forged Grade 80 and Grade 100 Steel Lifting Components and Welded Attachment Links

SCOPE
1.1 This standard covers the requirements for forged alloy steel lifting components and welded coupling and master links for Grade 80 and Grade 100 alloy chain slings.

General Information

• Status: Historical
• Publication Date: 09-Mar-1998
• ICS: 53.020.01 - Lifting appliances in general
• ICS: 77.140.20 - Stainless steels
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.27 - Steel Chain

Relations

• Replaced By: ASTM A952/A952M-02 - Standard Specification for Forged Grade 80 and Grade 100 Steel Lifting Components and Welded Attachment Links
• Effective Date: 10-May-2002

Standards Content (Sample)

Designation: A 952/A 952M – 98 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
Forged Grade 80 and Grade 100 Steel Lifting Components
1
and Welded Attachment Links
This standard is issued under the fixed designation A 952/A 952M; 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.
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1. Scope E 165 Test Method for Liquid Penetrant Examination
6
E 709 Guide for Magnetic Particle Examination
1.1 This specification covers the requirements for forged
2.2 Other Standards:
alloy steel lifting components and welded coupling and master
7
OSHA 1910.184 Slings
links for Grade 80 and Grade 100 alloy chain slings.
8
ASME B30.9 Slings
1.2 Two grades of components and welded links are cov-
8
ASME B30.10 Hooks
ered:
1.2.1 Grade 80.
3. Terminology
1.2.2 Grade 100.
3.1 Definitions of Terms Specific to This Standard:
1.3 This specification is a performance standard. Other
3.1.1 breaking force, minimum—the minimum force in
standards apply to use of these products. Some of these
pounds or newtons at which the component, in the condition it
standards are: OSHA 1910.184, ASME B30.10, and ASME
leaves the manufacturer, has been found by verification testing
B30.9.
to break when a constantly increasing force was applied in
1.4 The values stated in either inch-pound or SI units are to
direct tension. Breaking force values are a statistical attribute
be regarded separately as standard. Within the text, the SI units
verification test and are not a guarantee that all components
are shown in brackets. The values stated in each system are not
will endure these loads. Breaking force loads shall not be used
exact equivalents; therefore, each system shall be used inde-
as criteria for service.
pendently of the other. Combining values from the two systems
3.1.2 chain sling—an assembly consisting of alloy steel
may result in nonconformance with the specification.
chain joined to upper and lower end fittings for attaching loads
2. Referenced Documents to be lifted by a crane or lifting machine.
3.1.3 coupling link—a link fitted to the end of the chain to
2.1 ASTM Standards:
connect either directly or through a secondary link to an upper
A 29/A 29M Specification for Steel Bars, Carbon and Alloy,
or lower end fitting. See Fig. 1.
Hot-Wrought and Cold-Finished, General Requirements
2
3.1.4 end fitting—a link, hook, or other component fitted at
for
the end of a branch. See Fig. 1.
A 391/A 391M Specification for Grade 80 Alloy Steel
2
3.1.5 master link—a link used as an upper end fitting of a
Chain
chain sling and by means of which the sling may be attached
A 751 Test Methods, Practices, and Terminology for
3
to a crane or other device. See Fig. 1.
Chemical Analysis of Steel Products
3.1.6 master coupling link (secondary or intermediate
A 906 Specification for Alloy Steel Chain Slings for Over-
2 link)—a link used on three and four branch slings to connect
head Lifting
the branches to a master link. See Fig. 1.
A 973/A 973M Specification for Grade 100 Alloy Steel
2 3.1.7 overhead lifting—that process of lifting which would
Chain
4
elevate a freely suspended load to such a position that dropping
E 4 Practices for Force Verification of Testing Machines
the loads would present a possibility of bodily injury or
E 44 Definitions of Terms Relating to Heat Treatment of
5
property damage.
Metals
3.1.8 proof test—a quality control tensile test applied to
components for the purpose of verifying manufacturing and
material quality. It is the minimum force in pounds or newtons
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This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
which the component has withstood at the time it left the
Stainless Steel, and Related Alloys and is the direct responsibility of Subcommittee
A01.27 on Steel Chain.
producer, under a test in which a constantly increasing force
Current edition approved March 10, 1998. Published August 1998. Originally
e1
published as A 952–96. Last previous edition A 952–96 .
2
Annual Book of ASTM Standards, Vol 01.05.
3 6
Annual Book of ASTM Standards, Vol 01.03. Annual Book of ASTM Standards, Vol 03.03.
4 7
Annual Book of ASTM Standards, Vol 03.01. Available from OSHA.
5 8
Annual Book of ASTM Standards, Vol 01.02. Available from ASME, 345 E. 47th Street, New York, NY 10017.
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A 952/A 952M
FIG. 1 General Component Configuration
has been applied in direct tension. Proof test loads are a 3.1.9 traceability code—a series of letters, or numbers, or
manufacturing integrity test and shall not be used as criteria for both, marked on a component which enables its manufacturing
service. histo
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