ASTM A563 - 15 - Standard Specification for Carbon and Alloy Steel Nuts

ASTM A563 - 15

Standard Specification for Carbon and Alloy Steel Nuts

Status : Current   Published : May 2015



1.1 This specification 2 covers chemical and mechanical requirements for eight grades of carbon and alloy steel nuts for general structural and mechanical uses on bolts, studs, and other externally threaded parts.

Note 1:  See Appendix X1 for guidance on suitable application of nut grades.

1.2 The requirements for any grade of nut may, at the supplier's option, and with notice to the purchaser, be fulfilled by furnishing nuts of one of the stronger grades specified herein unless such substitution is barred in the inquiry and purchase order.

1.3 Grades C3 and DH3 nuts have atmospheric corrosion resistance and weathering characteristics comparable to that of the steels covered in Specifications A242/A242M, A588/A588M, and A709/A709M. The atmospheric corrosion resistance of these steels is substantially better than that of carbon steel with or without copper addition (see 5.2). When properly exposed to the atmosphere, these steels can be used bare (uncoated) for many applications.

Note 2:  A complete metric companion to Specification A563 has been developed— A563M; therefore, no metric equivalents are presented in this specification.

1.4 Terms used in this specification are defined in Terminology F1789 unless otherwise defined herein.

Standard NumberASTM A563 - 15
TitleStandard Specification for Carbon and Alloy Steel Nuts
Publication Date01 May 2015
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Alloy steel, Carbon steel, Nuts, Steel, Weathering steel
File Size119 KB

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