Standard Specification for Load-Indicating Externally Threaded Fasteners
NORMA vydaná dňa 1.12.2021
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Designation standards: ASTM F2482/F2482M-21
Publication date standards: 1.12.2021
The number of pages: 5
Approximate weight : 15 g (0.03 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This specification covers externally threaded bolts, studs, and cap screws called fasteners, capable of indicating clamping forces up to yield strength during the tightening process or post installation residual tension, or both. Load-indicating fasteners utilize mechanical, electronic, or ultrasonic means to indicate fastener tension. These fasteners provide a means to verify the desired clamp load in critical applications upon installation and in service. This specification covers the following four different types of load-indicating fasteners: mechanical dial type (MT); electronic type (ET); strain gauge type (ST); and ultrasonic type (UT). Tension test shall be performed to conform to the chemical and mechanical requirements specified.
Keywords:
alloy steel, alternate design fasteners, bolts, cap screw, carbon steel, fasteners, load-indicating fastener, load indicators, structural, stud, tension indicators, tension indicating bolts, weathering steel,, ICS Number Code 21.060.10 (Bolts, screws, studs)