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ASTM A307 (S)
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ASTM A307 (S) Revision 07B, December 1, 2007 Especificación Normalizada para Tornillos y Pernos de Acero al Carbono, con 60 000 PSI de Resistencia a la Tracción
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Description / Abstract:
This specification2 covers the chemical and
mechanical requirements of three grades of carbon steel bolts and
studs in sizes ¼ in. through 4 in. The fasteners are designated by
"Grade" denoting tensile strength and intended use.
The term studs includes stud stock, sometimes referred to as threaded rod.
This specification does not cover requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors or similar externally threaded fasteners.
Suitable nuts are covered in Specification A 563. Unless otherwise specified, the grade and style of nut for each grade of fastener, of all surface finishes.
The values stated in inch-pound units are to be regarded as the standard.
Supplementary Requirement S1 of an optional nature is provided, which describes additional restrictions to be applied when bolts are to be welded. It shall apply only when specified in the inquiry, order, and contract.
Terms used in this specification are defined in Terminology F 1789 unless otherwise defined herein.
*A Summary of Changes section appears at the end of this standard.
2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-307 in Section II of that Code.
The term studs includes stud stock, sometimes referred to as threaded rod.
This specification does not cover requirements for machine screws, thread cutting/forming screws, mechanical expansion anchors or similar externally threaded fasteners.
Suitable nuts are covered in Specification A 563. Unless otherwise specified, the grade and style of nut for each grade of fastener, of all surface finishes.
The values stated in inch-pound units are to be regarded as the standard.
Supplementary Requirement S1 of an optional nature is provided, which describes additional restrictions to be applied when bolts are to be welded. It shall apply only when specified in the inquiry, order, and contract.
Terms used in this specification are defined in Terminology F 1789 unless otherwise defined herein.
*A Summary of Changes section appears at the end of this standard.
2 For ASME Boiler and Pressure Vessel Code applications see related Specification SA-307 in Section II of that Code.