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ASTM F3148-17a
Standard Specification for High Strength Structural Bolt Assemblies, Steel and Alloy Steel, Heat Treated, 144ksi Minimum Tensile Strength, Inch Dimensions (Includes all amendments and changes 11/17/2023).
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NORM herausgegeben am 15.5.2017
Informationen über die Norm:
Bezeichnung normen: ASTM F3148-17a
Ausgabedatum normen: 15.5.2017
SKU: NS-684518
Zahl der Seiten: 11
Gewicht ca.: 33 g (0.07 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
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Die Annotation des Normtextes ASTM F3148-17a :
This specification defines chemical, dimensional, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch dimensions. Structural bolting assemblies are designated as Grade 144. Bolts are designated by type denoting raw material chemical composition: Type 1 (144ksi - carbon steel, carbon boron steel, alloy steel or alloy steel with boron addition) and Type 3 (144ksi - weathering steel). Bolts manufactured under this specification, and structural bolting assemblies supplied under this specification, are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts and installed using the torque-and-angle or part turn/combined installation method.This specification covers materials and manufacturing practice requirements; permitted coatings; dimensions, threads, marking, and matching components; chemical and mechanical properties; testing and lot control; workmanship; quality assurance; and product marking. Products shall undergo tensile strength, proof load, surface discontinuities, hardness, micro-hardness, carburization/decarburization, coating thickness, magnetic particle, rotational capacity, and assembly tension testing.
Keywords:
144 ksi, alloy steel, alternate design fasteners, angle, bolts, carbon steel, combined method, fasteners, fixed spline, inch, part turn, spline end, steel, structural, structural bolts, torque, torque angle, torque and angle, weathering steel,, ICS Number Code 21.060.10 (Bolts, screws, studs)
Ergänzende Informationen
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1.1 This specification covers chemical, dimensional, physical and mechanical requirements for quenched and tempered bolts manufactured from steel and alloy steel, in inch dimensions. The bolts are available as structural bolting assemblies which include a fixed spline bolt, a suitable nut and at least one washer covered by reference herein. 1.2 Intended Use: 1.2.1 Bolts manufactured under this specification, and structural bolting assemblies supplied under this specification, are intended for use in structural connections covered in the Specification for Structural Joints Using High-Strength Bolts and installed using the torque-and-angle or part turn/combined installation method. 1.2.2 Structural bolting assemblies in this specification are furnished in nominal diameters from 1/2 to 1-1/4 in. inclusive. 1.3 Classification: 1.3.1 Structural bolting assemblies are designated as Grade 144. 1.3.2 Bolts are designated by type denoting raw material chemical composition.
1.4 Terms used in the specification are defined in Terminology F1789. 1.4.1 Torque-and-Angle Fixed-Spline Structural Bolt—bolt that includes an integral fixed-spline end which extends beyond the threaded portion of the bolt and is used as a component of a torque-and-angle fixed-spline structural bolting assembly. 1.4.2 Torque-and-Angle Fixed-Spline Structural Bolting Assembly1.4.3 Combined Method—A tightening method comprised of two steps, the first tightening step using a torque regulating tool and the second tightening step in which a specified turn is applied to the turned part of the assembly. Also known as the ‘part turn method’. 1.5 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. 1.6 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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