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ASTM F912-04e1

(Specification)

Standard Specification for Alloy Steel Socket Set Screws

Standard Specification for Alloy Steel Socket Set Screws

ABSTRACT
This specification covers the requirements for quenched and tempered alloy steel socket-set screws (SSS). The screws shall be fabricated from alloy steel made to fine grain practice. The screws may be forged, formed, extruded, machined, or ground to meet the dimensional characteristics and performance requirements. The chemical composition of the screw material shall conform to the heat analysis specified. When protective or decorative coatings are applied to the screws, precautions specified by the coating requirements to minimize embrittlement shall be exercised. Chemical analysis, socket strength torque test, hardness test, and decarburization and carburization tests shall be performed to conform to the requirements specified.
SCOPE
1.1 This specification covers the requirements for quenched and tempered alloy steel socket-set screws (SSS) 0.060 through 2.000-in. sizes having hardnesses 45 to 53 HRC.
1.2 These set screws are intended for compression applications only and are not customarily subjected to embrittlement tests. For tensile applications, consult with the manufacturer for proper alloy and hardness.
1.3 The hazard statement pertains only to the test method section, Section 11 of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Note 1—A complete metric companion to Specification F 912 has been developed—F 912M; therefore, no metric equivalents are shown in this Specification.

General Information

Status
Historical
Publication Date
31-Jul-2004
ICS
21.060.10 - Bolts, screws, studs
Technical Committee
F16 - Fasteners
Drafting Committee
F16.02 - Steel Bolts, Studs and Nuts
Current Stage
Ref Project

Relations

Replaces
ASTM F912-04 - Standard Specification for Alloy Steel Socket Set Screws
Effective Date
01-Aug-2004
Replaced By
ASTM F912-11 - Standard Specification for Alloy Steel Socket Set Screws
Effective Date
01-Nov-2011
Referred By
ASTM F2798-09(2023) - Standard Specification for Sealless Lube Oil Pump with Oil Through Motor for Marine Applications
Effective Date
01-Aug-2004
Referred By
ASTM F1510-21 - Standard Specification for Rotary Positive Displacement Pumps, Ships Use
Effective Date
01-Aug-2004
Referred By
ASTM F1718-01(2019) - Standard Specification for Rotary Positive Displacement Distillate Fuel Pumps
Effective Date
01-Aug-2004

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ASTM F912-04e1 - Standard Specification for Alloy Steel Socket Set ScrewsASTM F912-04e1 - Standard Specification for Alloy Steel Socket Set Screws
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ASTM F912-04e1 - Standard Specification for Alloy Steel Socket Set Screws
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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
´1
Designation: F912 – 04
Standard Specification for
1
Alloy Steel Socket Set Screws
ThisstandardisissuedunderthefixeddesignationF912;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
1
´ NOTE—Sections 2.2 and 3.1.9 were editorially revised in October 2006.
1. Scope* Bolts, Screws, and Studs, Inch and Metric Series
3
2.2 ASME Standards:
1.1 This specification covers the requirements for quenched
4
B18.3 Socket Cap, Shoulder and Set Screw, Inch Series
andtemperedalloysteelsocket-setscrews(SSS)0.060through
B18.24 Part Identifying Number (PIN) Code System Stan-
2.000-in. sizes having hardnesses 45 to 53 HRC.
dard for B18 Fastener Products
1.2 These set screws are intended for compression applica-
tions only and are not customarily subjected to embrittlement
3. Ordering Information
tests. For tensile applications, consult with the manufacturer
3.1 Orders for material under this specification shall include
for proper alloy and hardness.
the following information:
1.3 The hazard statement pertains only to the test method
3.1.1 Quantity (number of screws).
section, Section 11 of this specification. This standard does not
3.1.2 Dimensions, including nominal thread designation,
purport to address all of the safety concerns, if any, associated
threads per inch, nominal screw length (inches) and point
with its use. It is the responsibility of the user of this standard
configuration. A standard part number may be used for this
to establish appropriate safety and health practices and
definition.
determine the applicability of regulatory limitations prior to
3.1.3 Name of the screw (SSS).
use.
3.1.4 Coating, if required. See 4.4.
NOTE 1—Acomplete metric companion to Specification F912 has been
3.1.5 Lot testing, if required. See 10.3.
developed—F912M; therefore, no metric equivalents are shown in this
3.1.6 Certification, if required. See 14.1.
Specification.
3.1.7 ASTM designation and year of issue.
3.1.8 Any special or supplemental requirements.
2. Referenced Documents
3.1.9 For establishment of a part identifying system, see
2
2.1 ASTM Standards:
ASME B18.24.
A751 Test Methods, Practices, andTerminology for Chemi-
cal Analysis of Steel Products
4. Materials and Manufacture
D3951 Practice for Commercial Packaging
4.1 The screws shall be fabricated from alloy steel made to
E3 Guide for Preparation of Metallographic Specimens
fine grain practice. In the event of controversy over grain size,
E18 Test Methods for Rockwell Hardness of Metallic Ma-
referee tests on finished screws conducted in accordance with
terials
Test Methods E112 shall prevail.
E112 Test Methods for Determining Average Grain Size
4.2 The screws may be forged, formed, extruded, machined,
E384 Test Method for Microindentation Hardness of Mate-
or ground to meet the dimensional characteristics and perfor-
rials
mance requirements.
F788/F788M Specification for Surface Discontinuities of
4.3 Setscrewsshallbeheattreatedbyquenchinginoilfrom
above the transformation temperature and then tempered by
reheating to meet the hardness range specified in 6.2.
1
This specification is under the jurisdiction of ASTM Committee F16 on
4.4 Standard Finishes—Unless otherwise specified, the
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
screws shall be furnished with one of the following standard
Nuts, Rivets, and Washers.
surfacesasmanufactured,attheoptionofthemanufacturer;(1)
Current edition approved Aug. 1, 2004. Published August 2004. Originally
approved in 1986. Last previous edition approved in 2000 as F912 – 00. DOI:
10.1520/F0912-04E01.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available from American Society of Mechanical Engineers (ASME), ASME
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM International Headquarters, Three Park Ave., New York, NY 10016-5990.
4
Standards volume information, refer to the standard’s Document Summary page on Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
the ASTM website. 4th Floor, New York, NY 10036.
*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 ----------------------
´1
F912 – 04
bright uncoated; (2) thermal black oxide; or (3) chemical black 9. Workmanship, Finish, and Appearance
oxide. Hydrogen embrittlement tests shall not be required for
9.1 Surface Discontinuities:
screws fu
...

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ABSTRACT
This specification provides the chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles. It is intended to ensure alignment between standards with the same intended end use and to simplify the use and maintenance of structural bolt specifications.
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1.1 This specification covers chemical, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch and metric dimensions, in two strength grades, two types and two styles.  
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12.1 For purposes of determining compliance with the specified limits for requirements of the properties listed in this specification, an observed value or calculated value shall be rounded in accordance with Practice E29.
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1.1 This specification covers the requirements for commercial wrought nonferrous bolts, hex cap screws, and studs 0.250 to 1.500 in., socket head cap screws (including socket head cap, button head and flat countersunk head configurations) with nominal thread 0.06 (size 0) through 1.500 in. and low head socket cap screws with nominal thread 0.112 (size 4) through 0.625 (5/8 ) in. inclusive in diameter manufactured from a number of alloys in common use and intended for general service applications.  
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ABSTRACT
This specification covers the chemical and mechanical requirements for stainless steel metric hexagon socket button (SBHCS) and flat countersunk (SFHCS) head cap screws with nominal thread M 3 through M 20 intended for use in applications requiring general corrosion resistance. These steels are designated into three classes: Austenitic Class A 1-50 in an annealed condition, Austenitic Class A1-55 in a cold worked condition, and Austenitic Class A 1-70 in a cold worked condition. The austenitic stainless steel socket screw shall be designated F879M A1-50, F879M A1–55, or F 879M A1-70. Screws shall be formed by upsetting or extruding, or both. Also, these screws shall be roll threaded. Austenitic alloys ClassA 1-50 screws, following manufacture, shall be annealed by heating to a certain temperature to obtain maximum corrosion resistance and minimum permeability. The screws shall be held for a sufficient time at temperature, then cooled at a rate sufficient to prevent precipitation of the carbide and provide the properties specified. Different tests shall be conducted in order to determine the following mechanical properties of screws: tensile strength, minimum extension, yield strength, elongation, Vickers hardness, and Rockwell hardness.
SCOPE
1.1 This specification covers the chemical and mechanical requirements for stainless steel inch hexagon socket button (SBHCS), flat countersunk (SFHCS) head cap screws with nominal thread 0.060 through 0.625 in. and low head (SLHCS) cap screws with nominal thread 0.112 through 0.625 in. intended for use in applications requiring general corrosion resistance.  
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ABSTRACT
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This specification covers externally threaded bolts, studs, and cap screws called fasteners, capable of indicating clamping forces up to yield strength during the tightening process or post installation residual tension, or both. Load-indicating fasteners utilize mechanical, electronic, or ultrasonic means to indicate fastener tension. These fasteners provide a means to verify the desired clamp load in critical applications upon installation and in service. This specification covers the following four different types of load-indicating fasteners: mechanical dial type (MT); electronic type (ET); strain gauge type (ST); and ultrasonic type (UT). Tension test shall be performed to conform to the chemical and mechanical requirements specified.
SCOPE
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This specification covers the requirements for quenched and tempered alloy steel socket-head cap screws. The screws shall be fabricated from steel made to fine grain practice and shall be alloy steel conforming to the chemical composition specified. Different tests shall be conducted in order to determine the following mechanical properties of screws: tensile or wedge strength, proof load, yield strength, elongation, Rockwell hardness, and Vickers hardness.
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This specification covers the chemical and mechanical requirements for three grades (Grades A, B, and C) of carbon steel bolts and studs in specified sizes. This specification does not cover the requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors, or other similar externally threaded fasteners. When tested, sampled specimens shall adhere to specified values for chemical composition, hardness, tensile strength, yield point, elongation, and dimensions.
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1.1 This specification2 covers the chemical and mechanical requirements of two grades of carbon steel bolts and studs in sizes 1/4 in. through 4 in. The fasteners are designated by “Grade” denoting tensile strength and intended use, as follows:    
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Bolts, studs, and threaded rod having a minimum tensile strength of 60 ksi and intended for general applications,  
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Grade C  
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1.3 Suitable nuts are covered in Specification A563. Unless otherwise specified, the grade and style of nut for each grade of fastener, of all surface finishes, shall be as follows:    
Fastener Grade and Size  
Nut Grade and StyleA    
A 1/4 to 11/2 in.  
A, hex  
A over 11/2 to 4 in.  
A, heavy hex  
B, 1/4 to 4 in.  
A, heavy hex    
1.4 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.  
1.5 Supplementary Requirement S1 of an optional nature is provided, which describes additional restrictions to be applied when bolts are to be welded. It shall apply only when specified in the inquiry, order, and contract.  
1.6 Terms used in this specification are defined in Terminology F1789 unless otherwise defined herein.  
1.7 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.

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Standard Specification for Anchor Bolts, Steel, 36, 55, and 105-ksi Yield Strength

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This specification covers the chemical, mechanical, and dimensional requirements, and associated test methods for straight and bent, headed and headless anchor bolts (also known as anchor rods) made of carbon, carbon boron, alloy, or high-strength low-alloy steel and having specified yield strengths. The anchor bolts are furnished in three strength grades, two thread classes, and various sizes, and are intended for anchoring structural supports to concrete foundations such as building columns, column supports for highway signs, street lighting and traffic signals, steel bearing plates, and similar applications. This specification, however, does not cover the requirements for mechanical expansion anchors, powder-activated nails or studs, and anchor bolts fabricated from deformed bars. The bolts shall adhere to specified elemental chemical compositions as examined by heat and product analysis. They shall also be tested for their conformance with mechanical properties such as tensile strength, yield strength, elongation, reduction of area, and stress area. The anchor bolts shall also meet specified values for nominal size, body diameter, bend section, length, bend angle, and coated length.
SCOPE
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1.7 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.  
1.8 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.

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ASTM F541-12(2020)(Specification)
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.  
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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.

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