A bolts have a minimum tensile strength of astm a490m, psi for one inch or less diameters andpsi for over one inch. A325 and a490 are now grades under the f3125 specification. Astm a490m 10 standard specification for highstrength steel bolts, classes 10. Astm a490, astm a490m, astm f1852 and astm f2280 structural products are not permitted to be hot dip galvanized. Report astm a480a480m99b please fill this form, we will try to respond as soon as possible. This document comes with our free notification service, good for the life of the document. Unlike other astm grades, a325 is specific not only in the chemical and mechanical requirements, but also in the allowed. This specification covers two types of bolting grades quenched and tempered, manufactured from high strength alloy steel. The main difference between this standard and the older, existing standards is that a325s from 118 to 112 now have the same mechanical requirements as a325s 1 and.
Astma490m 1991 edition superseded see the following. Access astm standards from any browser on your computer, tablet or smart phone. Specification for structural joints using astm a325 or. Astm a 497a 497m 02 pdf free download civil engineers. Manufacturing high strength structural heavy hex bolts as per astm a490m specification in metric and imperial sizes with zinc, galvanized or dacromet coatings. Astm a490 also covers the american association state highway and transportation officials standard aashto m253.
Astm a490m a bolts shall not be coated by hotdip galvanizing, mechanical deposition, or electroplating with zinc due to the potential risk of hydrogen embrittlement. This specification is a consolidation of and replacement for six astm standards ranging from 12. When reading this blog, please note that when we discuss a325 and a490 structural bolts, we are specifically discussing the. Unidentified steel free of injurious defects is permitted to be used for unimportant members or details, where the precise physical properties and weldability of the steel would not affect. Astm a49011 standard specification for structural bolts, alloy steel, heat treated, 150 ksi minimum tensile strength. The following editions for this book are also available. Astm a 497a 497m 02 pdf free download, astm a standards free download, astm standards, astm standards free download, free astm standards. Astm a563m heavy hex nuts metric for use with astm a325m bolts approved. Issued 191015 in its yearbook complete editions issued in 1916, and triennially, 191836, inclusive. A325s have a heavy hex head, a full body diameter, and are normally short in overall length since they are connecting steel to steel. Astm a490 f3125 structural bolts, steel, heat treated, 150 ksi minimum tensile strength. Supplements published in intervening years, and in 193738. The threaded section of the bolt is the weakest, thus a longer shank astm a490m makes for a stronger tensile connection.
They are designated by type denoting chemical composition as. Having coatings available for astm a490a490m fasteners will solve many application problems. Astm a490 scope this specification covers quenched and tempered, alloy steel, heavy hex structural bolts from 12 to 112 diameter with a minimum 150 ksi tensile. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts. Characteristics structural bolts type 1 highstrength bolts type 1 astm a 490 m astm a 490 m astm a m asme b 18. With s web based subscription service no downloads or installations. Additional testing in the form of magnetic particle inspection for longitudinal discontinuities and transverse cracks is a requirement of the a490. The equivalent imperial standard is astm a325, which. To acquire the current version of the standards with print and download options, follow the hyperlink to the current version. Astm a 325 or a 490 bolts, approved by the research council on structural connections. A bolted assembly with or without collateral materials. A490m 04a standard specification for highstrength steel bolts, classes 10. Astm a325 covers high strength structural bolts used in structural steel connections.
The astm a490 specification cover quenched and tempered, alloy steel, heavy hex structural bolts from 12. This specification 2 covers the chemical and mechanical requirements of two grades of carbon steel bolts and studs in sizes 1. 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. Astm a490m14a, standard specification for highstrength steel bolts, classes 10. Astm f3125 bolts can be used for many different applications that include fastening wood, steel, and other construction materials for projects such as. Astm a490m 14a standard specification for highstrength.
An astm a325 or a490 bolt, an astm f1852 twistofftype tensioncontrol bolt or an alternativedesign fastener that meets the requirements in section 2. Astm f3125, astm f3125 high strength structural bolts. The fasteners are designated by grade denoting tensile strength and intended use, as follows. The party responsible to ensure that the contractor has satisfied the provisions of this specification in the work. Click below to download astm a 497a 497m 02 pdf free. Equalleg angles and unequalleg anglestolerances g33192 metric and inch series. Astm a490m september 1, 2014 standard specification for highstrength steel bolts, classes 10. Astm f3125 high strength structural bolts china dingshen. Astm a490m standard specification for highstrength steel bolts, classes 10. This specification does not cover requirements for.
Astm a490 bolts are intended for structural applications which means they are not only of a stronger grade but also feature shorter threaded lengths of. Grade a is not as strong, aa490m it is a lower cost astm a490m that can be galvanized. Grid ceiling construction guidance suspended acoustical grid ceilings. Astm released a new standard in 2015, this specification is a consolidation and replacement of six astm standards, including. Astm a490m structural heavy hex bolts boltport fasteners. Astm a325m is an astm international standard for heavy hex structural bolts, standard specification for structural bolts, steel, heat treated, minimum tensile strength. This document is available in either paper or pdf format. As soon as the transaction is completed, your astm standards subscription will be ready for access. A threaded rod is not usually produced to grade b, but can be when specified by the purchaser. Proper allowance to permit free assembly in the field and interference free fit should be discussed with suppliers prior to ordering.
It defines mechanical properties for bolts that range from m12 to m72 in diameter. List of astm international standards standard download. In 2016, astm a325 and a490 were replaced by astm f3125. Torq bolt manufactures astm 3148 fasteners, alloy steel astm f3125 bolts, nuts, and washers to your custom specifications, and we guarantee to meet your delivery schedule. Astm a490m 04a standard specification for highstrength. Astm a490m standard specification for highstrength. Bolts manufactured under this specification are intended for use in structural connections covered in the specification for str.
Astm a490m 14a, standard specification for highstrength steel bolts, classes 10. 3, for structural steel joints metric, alloy steel, bolts, metric, si, steel, structural, weathering steel. The new standard, astm f3125, is titled specification for high strength structural bolts, steel and. There are more resources out there, i did a simple download free bs standards search, to see the above. Grade a astm a490m can be made of type 1 higher carbon alloy steel or type 3 weathering steel. Ensure a blotter test is performed prior to using a compressed air source in accordance with astm a780 d this practice can also be used to repair hotdip galvanized coatings damaged astm a780 excessively rough handling during shipping or erection. Astm a325 bolts astm a325 structural bolt a325 hex bolt. New astm f3125 standard released in 2015 astm released a new standard in 2015 after the release of the 2015 astm volume 01. This specification is a consolidation of and replacement for six astm standards. Astm has approved coating a490 bolts with zincaluminum corrosion protective coatings per astm f16 grade 3, commercially called dacromet and as per astm f2833, commercially called magni 565.
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