ASTM A307-00
(Specification)Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength
Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength
SCOPE
1.1 This specification covers the chemical and mechanical requirements of three grades of carbon steel bolts and studs in sizes 1/4 in. (6.35 mm) through 4 in. (104 mm). The fasteners are designated by "Grade" denoting tensile strength and intended use, as follows: Grade Description Grade A Bolts and studs having a minimum tensile strength of 60 ksi (414 MPa) and intended for general applications, Grade B Bolts and studs having a tensile strength of 60 to 100 ksi (414 to 690 MPa) and intended for flanged joints in piping systems with cast iron flanges, and Grade C Nonheaded anchor bolts, either bent or straight, having properties conforming to Specification A 36 (tensile strength of 58 to 80 ksi (400 to 550 MPa)) and intended for structural anchorage purposes.
1.1.1 The term studs includes stud stock, sometimes referred to as threaded rod .
1.2 This specification does not cover requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors or similar externally threaded fasteners.
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 Style A A, C, 1/4 to 1 1/2 in. A, hex A, C, over 1 1/2 to 4 in. A, heavy hex B, 1/4 to 4 in. A, heavy hex A Nuts of other grades and styles having specified proof load stresses (Specification A 563, Table 3) greater than the specified grade and style of nut are also 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.
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.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: A 307 – 00
Standard Specification for
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Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength
This standard is issued under the fixed designation A 307; 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.
fication A 563, Table 3) greater than the specified grade and style of nut are also
1. Scope *
suitable.
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1.1 This specification covers the chemical and mechanical
1.4 The values stated in inch-pound units are to be regarded
requirements of three grades of carbon steel bolts and studs in
as the standard. The values given in parentheses are for
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sizes ⁄4in. (6.35 mm) through 4 in. (104 mm). The fasteners are
information only.
designated by “Grade” denoting tensile strength and intended
1.5 Supplementary Requirement S1 of an optional nature is
use, as follows:
provided, which describes additional restrictions to be applied
Grade Description
when bolts are to be welded. It shall apply only when specified
in the inquiry, order, and contract.
Grade A Bolts and studs having a
minimum tensile strength of
2. Referenced Documents
60 ksi (414 MPa) and in-
tended for general applica-
2.1 ASTM Standards:
tions,
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A 36/A 36M Specification for Carbon Structural Steel
Grade B Bolts and studs having a
tensile strength of 60 to 100
A 153 Specification for Zinc Coating (Hot-Dip) on Iron and
ksi (414 to 690 MPa) and
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Steel Hardware
intended for flanged joints in
A 370 Test Methods and Definitions for Mechanical Testing
piping systems with cast iron
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flanges, and
of Steel Products
Grade C Nonheaded anchor bolts,
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A 563 Specification for Carbon and Alloy Steel Nuts
either bent or straight, hav-
A 706/A706M Specification for Low-Alloy Steel Deformed
ing properties conforming to
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Specification A 36 (tensile
Bars for Concrete Reinforcement
strength of 58 to 80 ksi (400
A 751 Test Methods, Practices, and Terminology for
to 550 MPa)) and intended
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for structural anchorage pur-
Chemical Analysis of Steel Products
poses.
B 695 Specification for Coatings of Zinc Mechanically
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Deposited on Iron and Steel
1.1.1 The term studs includes stud stock, sometimes re-
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D 3951 Practice for Commercial Packaging
ferred to as threaded rod.
F 606 Test Methods for Determining the Mechanical Prop-
1.2 This specification does not cover requirements for
erties of Externally and Internally Threaded Fasteners,
machine screws, thread cutting/forming screws, mechanical
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Washers, and Rivets
expansion anchors or similar externally threaded fasteners.
F 1470 Guide for Fastener Sampling for Specified Mechani-
1.3 Suitable nuts are covered in Specification A 563. Unless
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cal Properties and Performance Inspection
otherwise specified, the grade and style of nut for each grade of
2.2 ANSI/ASME Standards:
fastener, of all surface finishes, shall be as follows:
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A B 1.1 Unified Screw Threads
Fastener Grade and Size Nut Grade and Style
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1 1
A, C, ⁄4 to 1 ⁄2in. A, hex
B 18.2.1 Square and Hex Bolts and Screws
1
A, C, over 1 ⁄2 to 4 in. A, heavy hex
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B, ⁄4 to 4 in. A, heavy hex
A
Nuts of other grades and styles having specified proof load stresses (Speci-
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Annual Book of ASTM Standards, Vol 01.04.
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This specification is under the jurisdiction of ASTM Committee F16 on Annual Book of ASTM Standards, Vol 01.06.
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Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts, Annual Book of ASTM Standards, Vol 01.03.
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Nuts, Rivets, and Washers. Annual Book of ASTM Standards, Vol 01.08.
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Current edition approved May 10, 2000. Published July 2000. Originally Annual Book of ASTM Standards, Vol 02.05.
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published as A 307 – 47 T. Last previous edition A 307 – 97. Annual Book of ASTM Standards, Vol 15.09.
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For ASME Boiler and Pressure Vessel Code applications see related Specifi- Available from American National Standards Institute, 11 West 42nd St., 13th
cation SA-307 in Section II of that Code. Floor, New York, NY 10036.
*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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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
A 307
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B 18.24.1 Part Identifying Number (PIN) Code System 4.5.4 When no preference is specified, the supplier may
2.3 Military Standard: furnish either a hot-dip zinc coating in accordance with
Specification A 153, Class C or a mechanically deposited zinc
MI
...
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