Link to Active This link will always route to the current Active version of the standard. This abstract is a brief summary of the referenced standard. All fasteners shall be made from alloy steel conforming to the chemical composition requirements. Grade of Fastener and Surface Finish.
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The intended application for F is as an anchor bolt, and F Grade covers a slightly narrower range of diameters than A Users should note that A and A are not exact equivalents to the structural grades in this specification.
ASTM A — Baden Steelbar & Bolt Corp.
Any alloy steel capable of meeting the mechanical and chemical properties set forth in this specification may be used. F Grade is the highest strength of the three grades within the F specification, which covers steel a54 bolts intended for anchoring structural supports to concrete foundations.
It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Selection will depend upon design and the stresses and service for which the product is to be used. A534 specification covers the chemical and mechanical requirements of quenched and tempered alloy steel bolts, studs, and other externally threaded fasteners.
This indicates that A Grade BD can be an alternative for Grade A bolts if the requirement is for something other than heavy hex bolts with standard structural bolt thread lengths the mention of A is related to F Grade A All fasteners shall be made from alloy steel conforming to the chemical composition requirements.
Link to Active This link will always route to the current Active version of the standard. A is defined as fasteners for application at normal atmospheric temperatures, where high strength is required and for limited application at elevated temperature.
No other units of measurement are included in this standard. Heads of ABC bolts will be standard hex, while AB7 will be heavy hex unless otherwise specified.
Also note that F Grade has a maximum tensile strength of ksi, while A has no maximum. Unless otherwise specified, the grade and style of nut for each grade of fastener shall be as follows: AB7 fully threaded studs and heavy hex bolts are widely available in the marketplace. Historical Version s - view previous versions of standard.
This abstract is a brief summary of the referenced standard.
Bolts manufactured under this specification are intended for use in structural connections. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Grade of Fastener and Surface Z354.
There are some differences beyond just the intended application though. Unless otherwise specified, the grade and style of nut for each grade of fastener shall be as asttm.
ASTM A is a fastener specification covering alloy and stainless steel bolts and threaded studs for use with flanges, valves, pressure vessels, and fittings for high temperature and high pressure service.
Nut Grade and Style A. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Hardness, tensile strength, yield strength, elongation, and area reduction shall be tested to meet the requirements prescribed.