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ASTM A449-14

Current Revision

Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General Use

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1.1 This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength of 120 ksi for diameters 1.0 in. and smaller; 105 ksi for diameters over 1.0 in. to 11/2 in.; and 90 ksi for diameters 13/4 in. to 3.0 in. inclusive. The term "fasteners" in this specification denotes hex cap screws, bolts, and studs.

1.2 The fasteners are intended for general engineering use.

1.3 The fasteners are furnished in diameters 1/4 to 3.0 in. inclusive. They are designated by type denoting chemical composition as follows:

Type

Description

 

 

Type I

Plain carbon steel, carbon boron steel, alloy steel, or alloy boron steel

Type 2

Withdrawn 2003

Type 3

Weathering steel

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

1.5 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 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.


This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength. The fasteners are intended for general engineering use. Type 1 fasteners shall be plain carbon steel, carbon boron steel, alloy steel, or alloy boron steels conforming to the requirements. Type 3 fasteners shall be weathering steel and shall conform to one of the chemical compositions specified. Tensile strength, proof load, hardness tests, and axial tension tests shall be performed to conform with the specified requirements.


SDO ASTM: ASTM International
Document Number A449
Publication Date Oct. 1, 2014
Language en - English
Page Count 7
Revision Level 14
Supercedes
Committee F16.02
Publish Date Document Id Type View
Oct. 1, 2014 A0449-14 Revision
Oct. 1, 2010 A0449-10 Revision
Dec. 1, 2007 A0449-07BE01 Revision
Dec. 1, 2007 A0449-07B Revision
Aug. 1, 2007 A0449-07A Revision
May 15, 2007 A0449-07 Revision
Nov. 1, 2004 A0449-04BE01 Revision
Nov. 1, 2004 A0449-04B Revision
Aug. 1, 2004 A0449-04A Revision
Jan. 1, 2004 A0449-04 Revision
May 10, 2000 A0449-00 Revision
Not Available A0449-78A Revision
Dec. 1, 2020 A0449-14R20 Reaffirmation