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ASTM A Scope – This specification covers bolts, threaded rod, and anchors in diameters ranging from 1/4″ through 3″ (inclusive). It is a medium strength bolt . ASTM A is a material regulation covering hex headed bolts, rods, and anchor bolts. They are typically general use fasteners used in standard engineering. ASTM A is virtually identical in chemistry and strength to ASTM A and SAE J grade 5, but covers a larger diameter range and is not restricted by.

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This abstract is a brief summary of the referenced standard. The one listed here is the one we receive the most requests for.

ASTM A Type 2 Hex Cap Screws, Bolts, Stud Bolts

There are other types of A Type 3 fasteners shall be weathering steel and shall conform to one of the chemical compositions specified.

No other units of measurement are included in this standard. They axtm designated by type denoting chemical composition as follows:. The fasteners are intended for general engineering use. Steel, as defined by the W449 Iron and Steel Institute, shall be considered to be alloy when the max range given for the content of alloying elements exceeds one of more of the following limits:.

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Historical Version s – view previous versions of standard. 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. Plain carbon steel, carbon boron steel, alloy steel, or alloy boron steel.

We provide both stocked and custom anchor bolts, anchor bolt assemblies, threaded rod, bolts, bent bolts, nuts, washers, turnbuckles, clevises and more. Link to Active This link will always route to the current Active version of the standard.

Plain carbon steel, carbon boron steel, alloy steel or alloy boron steel. Steel, as defined by the American Iron and Steel Institute, shall be considered to be alloy when the max range given for the content of alloying elements exceeds one of more of the following limits: They are designated by type denoting chemical composition as follows: This specification2 covers quenched and tempered steel hex cap screws, bolts, and studs having a minimum tensile strength.

x449

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Nuts of other grades and styles having specified proof of load stresses per ASTM A specification greater than the specified grade and style of nut are suitable. The term “fasteners” in this specification denotes hex cap screws, bolts, and studs. 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.

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Contact Us Use the form on the right to contact us. CNC maching, welding, threading. 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. You can edit the text in this area, and change where the contact form on the right submits to, by entering edit mode using the modes on the bottom right.

ASTM A449 Specification

Type 1 fasteners shall be plain carbon steel, carbon boron steel, alloy steel, or alloy boron steels conforming to the requirements.

Tensile strength, proof load, hardness tests, and axial tension tests shall be performed to conform with the specified requirements. Or in which a definite range or minimum quantity of any of the following elements is specified or required within the limits of the recognized field of constructional alloy steels.