May 30, 2019 posted by

Overview. ASTM F grade 36 anchor bolts are manufactured from A36, low carbon steel. This is your standard, run-of-the-mill bolt grade covering anchor. The specification for ASTM F covers straight and bent, headed and headless, carbon, F Grade 36, Low carbon, 36 ksi yield steel anchor bolts. The ASTM F specification covers anchor bolts designed to anchor structural supports to concrete foundations; F comes in three grades 36, 55, and.

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A grade DH or A grade 2H should be substituted. Pearce- Yes, AC bolts are also weldable. The bolts shall adhere to specified elemental chemical compositions as examined by heat and product analysis. It provides for anchor bolts in three strength grades, two thread classes, and in the diameters specified in Section 4.

ASTM F Grade 36 Anchor Bolts | TorqBolt

Graade the anchor bolts in question, either this test was never performed or the data was never recorded on the test report.

ASTM A is a specification that covers mild steel bolts. As you can see in the table below, F grade 36 requires additional testing reduction of area that A grade C did not require. The three grades 36, 55, and designate the minimum yield strength ksi of the anchor bolt.

This raised the question what type material is the rods. Can you please provide the Torque Value required to tighten this anchor bolts? There used to be an A grade C specification covering anchor bolts, but it was eliminated in and subsequently replaced by F grade F Grades F Grade 36 Low yrade, 36 ksi yield aatm anchor bolts F Grade 55 High strength, low alloy, 55 ksi yield steel anchor bolts F Grade Alloy, heat treated, high strength ksi yield steel anchor bolts.

There is a very good chance that the bolts would meet this requirement if they were sstm, but they never were. Permanent manufacturer and grade marking is allowed under the S2 supplementary requirements.


Both A and F grade 36 bolts are frequently manufactured using A36 steel. There are two grades within the ASTM specification. Leave this field empty. Applications for F anchor bolts include columns in structural steel framed buildings, traffic signal and f11554 lighting poles, and overhead highway sign structures to name just a few.

ASTM F – 18 Standard Specification for Anchor Bolts, Steel, 36, 55, and ksi Yield Strength

A grade A covers bolts for general applications, while A grade B covers heavy hex bolts and studs for cast iron flanges. Many companies attempt to substitute A anchor bolts for F grade 36 anchor bolts as has occurred in this case.

The minimum Charpy V-notch energy requirement is an average of 15ft-lbs for three specimens, with no one specimen falling below 12ft-lbs. I been in the business for 40 years and i can make history on this project.

Weldable version of the Grade 55 specification.

The anchor bolts shall also meet specified values for nominal size, body diameter, bend section, length, bend angle, and coated length. Fantastic trump card for me. Supplementary requirements shall apply only when specified in the purchase order or contract.

Deepak- Apologies, but we are not familiar enough with Indian standards to know what the equivalent would be. Therefore, based on the test reports that accompanied the bolts that were supplied, these anchor bolts do not meet all of the requirements of F grade Link to Active This link will always route to the current Active version of the standard.

Thank you for your help To address your first question: Since this value is missing, there is no way to determine whether or not the bolts that were supplied and are already in the foundation have enough ductility as determined by the Reduction of Area test to meet the requirements of F grade Sorry for being late to send you a clear copy of the Mill certification.


Your email address will not be published. When S1 is not specified, the Grade 55 material may or may not be weldable. F anchor bolts can take the form of either headed bolts, straight rods, or bent anchor bolts. Leave a Reply Cancel reply Your email address will not be published.

The anchor bolts are furnished in three strength grades, two thread classes, and various sizes, and are intended for anchoring structural supports to concrete foundations such as building columns, column supports for highway signs, street lighting and traffic signals, steel bearing plates, and similar applications. Just to refresh your memory: They shall also be tested for their conformance with mechanical properties such as tensile strength, yield strength, elongation, reduction of area, and stress area.

This is really good information for the people who wants to get quick information. 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.

This specification, however, does not cover the requirements for mechanical expansion anchors, powder-activated nails or studs, and anchor bolts fabricated from deformed bars. Eduardo- The AISC guidelines say that snug tight is all that is required for anchor bolts, unless the project engineer says otherwise. No other units of measurement are included in this standard.

The specification also covers all-thread rod for use in anchoring f15554 concrete.

ASTM F1554

Thank you for any help you can offer! The ASTM F specification was introduced in gradd covers anchor bolts designed to anchor structural supports to concrete foundations. Permanent grade identification on the end of the anchor bolt that projects from the concrete, in lieu of color coding.