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).
NORMA vydaná dňa 15.5.2017
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Designation standards: ASTM F3148-17a
Publication date standards: 15.5.2017
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
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)