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ASTM F541-12(2020)

(Specification)

Standard Specification for Alloy Steel Eyebolts

Standard Specification for Alloy Steel Eyebolts

ABSTRACT
This specification covers the basic requirements and corresponding test methods for forged, quenched, and tempered, alloy steel threaded eyebolts with improved toughness properties and that are chemically and metallurgically constituted to produce a low transition temperature to minimize brittle failure, intended primarily for low temperature applications. The eyebolts are furnished either as straight shank eyebolts (Type 1), or shoulder eyebolts (Type 2). Sampled specimens shall be tested, and conform accordingly to chemical (carbon, manganese, phosphorus, sulfur, silicon, chromium, molybdenum, and nickel), metallurgical (grain size, decarburization, and macrotech properties), and mechanical (Brinell hardness, tensile strength, breaking strength, proof load, impact strength, and bend strength) requirements.
SCOPE
1.1 This specification covers forged, quenched and tempered, alloy steel threaded eyebolts with improved toughness properties and intended primarily for low temperature applications. The eyebolts are chemically and metallurgically constituted to produce a low transition temperature to minimize brittle failure. Maximum thread size is 2.500 in. (63.50 mm).  
1.2 The eyebolts are furnished in two types, as follows:  
1.2.1 Type 1—Straight Shank Eyebolt.  
1.2.2 Type 2—Shoulder Eyebolt.  
1.3 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are for information only.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
30-Nov-2020
ICS
21.060.10 - Bolts, screws, studs
Technical Committee
F16 - Fasteners
Drafting Committee
F16.02 - Steel Bolts, Studs and Nuts
Current Stage
Ref Project

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ASTM F541-12(2020) - Standard Specification for Alloy Steel EyeboltsASTM F541-12(2020) - Standard Specification for Alloy Steel Eyebolts
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ASTM F541-12(2020) - Standard Specification for Alloy Steel Eyebolts
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation:F541 −12 (Reapproved 2020)
Standard Specification for
1
Alloy Steel Eyebolts
ThisstandardisissuedunderthefixeddesignationF541;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* E709Guide for Magnetic Particle Testing
F606/F606MTest Methods for Determining the Mechanical
1.1 This specification covers forged, quenched and
Properties of Externally and Internally Threaded
tempered, alloy steel threaded eyebolts with improved tough-
Fasteners, Washers, Direct Tension Indicators, and Rivets
ness properties and intended primarily for low temperature
F1470Practice for Fastener Sampling for Specified Me-
applications. The eyebolts are chemically and metallurgically
chanical Properties and Performance Inspection
constitutedtoproducealowtransitiontemperaturetominimize
3
brittle failure. Maximum thread size is 2.500 in. (63.50 mm). 2.2 ASME Standards:
B1.1Unified Screw Threads
1.2 The eyebolts are furnished in two types, as follows:
B18.15Forged Eyebolts
1.2.1 Type 1—Straight Shank Eyebolt.
B18.24Part Identifying Number (PIN) Code System Stan-
1.2.2 Type 2—Shoulder Eyebolt.
dard for B18 Fastener Products
1.3 Thevaluesstatedininch-poundunitsaretoberegarded
as the standard. The values in parentheses are for information
3. Ordering Information
only.
3.1 Ordersforeyeboltsunderthisspecificationshallinclude
1.4 This international standard was developed in accor-
the following information to adequately describe the part:
dance with internationally recognized principles on standard-
3.1.1 ASTM specification number and date of issue,
ization established in the Decision on Principles for the
3.1.2 Name of part (alloy steel eyebolts),
Development of International Standards, Guides and Recom-
3.1.3 Regular or shoulder pattern (8.1),
mendations issued by the World Trade Organization Technical
3.1.4 Size (nominal diameter and threads),
Barriers to Trade (TBT) Committee.
3.1.5 Number of pieces,
3.1.6 Certification or test reports (if required) (14.1),
2. Referenced Documents
3.1.7 Additional requirements (if required), and
2
2.1 ASTM Standards:
3.1.8 Supplementary requirements (if required).
A370Test Methods and Definitions for Mechanical Testing
3.1.9 For establishment of a part identifying system, see
of Steel Products
ASME B18.24.
A574SpecificationforAlloySteelSocket-HeadCapScrews
A751Test Methods, Practices, and Terminology for Chemi-
4. Materials and Manufacture
cal Analysis of Steel Products
4.1 MeltingProcess—Thesteelshallbemadetoafine-grain
E10Test Method for Brinell Hardness of Metallic Materials
practiceusingameltingprocessyieldingaproductconforming
E18Test Methods for Rockwell Hardness of Metallic Ma-
to the requirements of this specification.
terials
E112Test Methods for Determining Average Grain Size 4.2 Forging—Eyebolts shall be forged without welds.
E340Practice for Macroetching Metals and Alloys
4.3 Heat Treatment—The eyebolts shall be quenched and
tempered in accordance with proper practice to yield a product
1 conforming to the requirements of this specification.
This specification is under the jurisdiction of ASTM Committee F16 on
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
4.4 Machining—The eyebolt shall be machined prior to or
Nuts, Rivets and Washers.
after heat treatment at the manufacturer’s option.
Current edition approved Dec. 1, 2020. Published December 2020. Originally
approved in 1977. Last previous edition approved in 2012 as F541–12. DOI:
10.1520/F0541-12R20.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
3
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from American Society of Mechanical Engineers (ASME), ASME
Standards volume information, refer to the standard’s Document Summary page on International Headquarters, Two Park Ave., New York, NY 10016-5990, http://
the ASTM website. www.asme.org.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F541−12 (2020)
TABLE 2 Decarburization Limits
5. Chemical Composition
Nominal Size, In. Depth of Decarburization, Total + Partial, max
5.1 Limits—The eyebolts shall be manufactured from steels
in. mm
havingaheatanalysisconformingtotherequirementsinTable
...

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Type I  
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Type 2  
Withdrawn 2003    
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