ASTM A563-04

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: A 563 – 04
Standard Specification for
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Carbon and Alloy Steel Nuts
This standard is issued under the fixed designation A 563; 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* Nuts for Bolts for High-Pressure and High-Temperature
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Service, or Both
1.1 This specification covers chemical and mechanical
A 242/A 242M Specification for High-Strength Low-Alloy
requirements for eight grades of carbon and alloy steel nuts for
Structural Steel
general structural and mechanical uses on bolts, studs, and
A 307 Specification for Carbon Steel Bolts and Studs,
other externally threaded parts.
60 000 psi Tensile Strength
NOTE 1—See Appendix X1 for guidance on suitable application of nut
A 325 Specification for Structural Bolts, Steel, Heat
grades.
Treated, 120/105 ksi Minimum Tensile Strength
1.2 The requirements for any grade of nut may, at the
A 354 Specification for Quenched and Tempered Alloy
supplier’s option, and with notice to the purchaser, be fulfilled
Steel Bolts, Studs, and Other Externally Threaded Fasten-
by furnishing nuts of one of the stronger grades specified
ers
herein unless such substitution is barred in the inquiry and
A 394 Specification for Steel Transmission Tower Bolts,
purchase order.
Zinc-Coated and Bare
1.3 Grades C3 and DH3 nuts have atmospheric corrosion
A 449 Specification for Quenched and Tempered Steel
resistance and weathering characteristics comparable to that of
Bolts and Studs
the steels covered in Specifications A 242/A 242M, A 588/
A 490 Specification for Structural Bolts, Alloy Steel, Heat
A 588M, and A 709/A 709M. The atmospheric corrosion
Treated, 150 ksi Minimum Tensile Strength
resistance of these steels is substantially better than that of
A 588/A 588M Specification for High-Strength Low-Alloy
carbon steel with or without copper addition (see 5.2). When
Structural Steel with 50 ksi [345 MPa] Minimum Yield
properly exposed to the atmosphere, these steels can be used
Point to 4-in. [100-mm] Thick
bare (uncoated) for many applications.
A 687 Specification for High-Strength Nonheaded Steel
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Bolts and Studs
NOTE 2—A complete metric companion to Specification A 563 has
A 709/A 709M Specification for Carbon and High-Strength
been developed—A 563M; therefore, no metric equivalents are presented
in this specification. Low-Alloy Structural Steel Shapes, Plates, and Bars and
Quenched-and-Tempered Alloy Structural Steel Plates for
1.4 Terms used in this specification are defined in Termi-
Bridges
nology F 1789 unless otherwise defined herein.
A 751 Test Methods, Practices, and Terminology for
2. Referenced Documents Chemical Analysis of Steel Products
3 B 695 Specification for Coatings of Zinc Mechanically
2.1 ASTM Standards:
Deposited on Iron and Steel
A 153/A 153M Specification for Zinc Coating (Hot-Dip) on
D 3951 Practice for Commercial Packaging
Iron and Steel Hardware
F 606 Test Methods for Determining the Mechanical Prop-
A 194/A 194M Specification for Carbon and Alloy Steel
erties of Externally and Internally Threaded Fasteners,
Washers, and Rivets
F 812/F 812M Specification for Surface Discontinuities of
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This specification is under the jurisdiction of ASTM Committee F16 on
Nuts, Inch and Metric Series
Fasteners and is the direct responsibility of Subcommittee F16.02 on Steel Bolts,
F 1789 Terminology for F16 Mechanical Fasteners
Nuts, Rivets, and Washers.
G 101 Guide for Estimating the Atmospheric Corrosion
Current edition approved Jan. 1, 2004. Published January 2004. Originally
approved in 1966. Last previous edition approved in 2000 as A 563 – 00.
Resistance of Low Alloy Steels
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For ASME Boiler and Pressure Vessel Code applications see related Specifi-
2.2 ANSI Standards:
cation SA – 563 in Section II of that Code.
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For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
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the ASTM website. Withdrawn.
*A Summary of Changes section appears at the end of this standard.
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A 563–04
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ANSI B1.1 Unified Screw Threads 4.7.4 When no preference is specified, the supplier may
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ANSI B18.2.2 Square and Hex Nuts furnish either a hot-dip zinc coating in accordance with
Specification A 153, Class C, or a mechanically deposited zinc
3. Ordering Information coating in
...