Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners

SCOPE
1.1 This specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners 4 in. and under in diameter for application at normal atmospheric temperatures, where high strength is required and for limited application at elevated temperature (Note 1). Any alloy steel capable of meeting the minimum mechanical and chemical properties set forth in this specification may be used.
Note 1--For bolts, studs, or other externally threaded fasteners, to be used at elevated temperatures, refer to Specification A193/A193M.
1.2 Two levels of bolting strength are covered, designated Grades BC and BD. Selection will depend upon design and the stresses and service for which the product is to be used.
Note 2--Quenched and tempered alloy steel bolts for structural steel joints up through 11/2 in. in diameter are covered in Specification A490. Alloy steel bolts, studs, and other externally threaded fasteners (that is, heavy hex-structural bolts over 1 1/2 in., hex bolts, anchor bolts, and countersunk bolts) exhibiting similar mechanical properties to bolts conforming to Specification A490 shall be covered by Grade BD of this specification.
When bolts of Grade BD of this specification are considered for pretentioned applications in excess of 50 % of the bolt tensile strength, the additional requirements of head size, maximum tensile strength, nut size and strength, washer hardness, tests, and inspections contained in Specification A 490 should be carefully considered.
1.3 Nuts are covered in Specification A563. Unless otherwise specified, the grade and style of nut for each grade of fastener shall be as follows:Grade of Fastener and Surface FinishNut Grade and Style ABC, plain (or with a coating of insufficient thick-ness to require over-tapped nuts) C, heavy hexBC, zinc-coated (or with a coating thickness re-quiring over-tapped nuts)  DH, heavy hexBD, all finishes  DH, heavy hex
ANuts of other grades and styles having specified proof load stresses (Specification A563, Table 3) greater than the specified grade and style of nut are suitable.
1.4 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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ASTM A354-01 - Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 354 – 01
Standard Specification for
Quenched and Tempered Alloy Steel Bolts, Studs, and Other
1
Externally Threaded Fasteners
This standard is issued under the fixed designation A 354; 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.
1. Scope *
Nut Grade and
A
Grade of Fastener and Surface Finish Style
2
1.1 This specification covers the chemical and mechanical
requirements of quenched and tempered alloy steel bolts, studs, BC, plain (or with a coating of insufficient thick- C, heavy hex
ness to require over-tapped nuts)
and other externally threaded fasteners 4 in. and under in
BC, zinc-coated (or with a coating thickness re- DH, heavy hex
diameter for application at normal atmospheric temperatures,
quiring over-tapped nuts)
where high strength is required and for limited application at BD, all finishes DH, heavy hex
elevated temperature (Note 1). Any alloy steel capable of
A
Nuts of other grades and styles having specified proof load stresses (Specifi-
meeting the minimum mechanical and chemical properties set
cation A 563, Table 3) greater than the specified grade and style of nut are suitable.
forth in this specification may be used.
NOTE 1—For bolts, studs, or other externally threaded fasteners, to be
used at elevated temperatures, refer to Specification A 193/A 193M.
1.4 The values stated in inch-pound units are to be regarded
1.2 Two levels of bolting strength are covered, designated
as the standard. The values given in parentheses are for
Grades BC and BD. Selection will depend upon design and the
information only.
stresses and service for which the product is to be used.
2. Referenced Documents
NOTE 2—Quenched and tempered alloy steel bolts for structural steel
1
joints up through 1 ⁄2 in. in diameter are covered in Specification A 490. 2.1 ASTM Standards:
Alloy steel bolts, studs, and other externally threaded fasteners (that is,
A 153 Specification for Zinc Coating (Hot-Dip) on Iron and
1
3
heavy hex-structural bolts over 1 ⁄2 in., hex bolts, anchor bolts, and
Steel Hardware
countersunk bolts) exhibiting similar mechanical properties to bolts
A 193/A193M Specification for Alloy-Steel and Stainless
conforming to Specification A 490 shall be covered by Grade BD of this
4
Steel Bolting Materials for High-Temperature Service
specification.
A 490 Specification for Heat-Treated Steel Structural Bolts,
When bolts of Grade BD of this specification are considered for
5
150 ksi Minimum Tensile Strength
pretentioned applications in excess of 50 % of the bolt tensile strength, the
5
additional requirements of head size, maximum tensile strength, nut size A 563 Specification for Carbon and Alloy Steel Nuts
and strength, washer hardness, tests, and inspections contained in Speci-
A 751 Test Methods, Practices, and Terminology for
6
fication A 490 should be carefully considered.
Chemical Analysis of Steel Products
1.3 Nuts are covered in Specification A 563. Unless other- B 695 Specification for Coatings of Zinc Mechanically
7
wise specified, the grade and style of nut for each grade of Deposited on Iron and Steel
8
fastener shall be as follows: D 3951 Practice for Commercial Packaging
5
F 436 Specification for Hardened Steel Washers
F 606 Test Methods for Determining the Mechanical Prop-
erties of Externally and Internally Threaded Fasteners,
1
5
This specification is under the jurisdiction of ASTM Committee F16 on
Washers, and Rivets
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
F 788/F 788M Specification for Surface Discontinuities of
Nuts, Rivets, and Washers.
5
Bolts, Screws, and Studs, Inch and Metric Series
Current edition approved Apr. 10, 2001. Published May 2001. Originally
published as A 354 – 52 T. Last previous edition A 354 – 00a.
F 1470 Guide for Fastener Sampling for Specified Mechani-
2
For ASME Boiler and Pressure Vessel Code applications see related Specifi- 5
cal Properties and Performance Inspection
cation SA-354 in Section II of that Code.
3
Annual Book of ASTM Standards, Vol 01.06.
4
Annual Book of ASTM Standards, Vol 01.01.
5
Annual Book of ASTM Standards, Vol 01.08.
6
Annual Book of ASTM Standards, Vol 01.03.
7
Annual Book of ASTM Standards, Vol 02.05.
8
Annual Book of ASTM Standards, Vol 15.09.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959, United States.
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