Astm a325 is an astm american society of the international association for testing and materials international standard for heavy hex structural bolts.
A325 structural bolt torque specs.
We are choosing to keep this technical information about the now obsolete a325 specification on our website for.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
Prepared by rcsc committee a 1 specifications and approved by the research council on structural connections.
Specification for structural joints using astm a325 or a490 bolts june 30 2004 supersedes the june 23 2000specification for structural joints using astm a325 or a490 bolts.
Partially threaded screws come with precise threaded and unthreaded portions allowing you to place only the.
This specification contains 4 inch series bolting grades.
Astm a325 specifications technical menu posted on july 1st 2015 by vapro.
The f3125 specification is a consolidation and replacement of six astm standards including.
In 2016 astm a325 was officially withdrawn and replaced by astm f3125 in which a325 now becomes a grade under the f3125 specification.
The bolt is stressed up to the proofload value and if there is no deformation elongation or fracture then the bolt is deemed to have passed.
If you are working with a325 structural bolts on a regular basis we strongly recommend purchasing a copy of the astm a325 specification from astm international.
The bolt torque table below provides information such as tension torque tpi for the heavy structured bolts against its corresponding bolt sizes ranging from 1 2 to 1 1 2.
Dimensions meet asme b18 2.
Material meets astm f3125 specifications for quality.
When looking at the mechanical requirements of bolts it appears that a grade a325 and sae j429 grade 5 are identical as do the.
A325 f1852 a490 and f2280.
If you are working with a325 structural bolts on a regular basis we strongly recommend purchasing a copy of the astm a325 specification from astm international.
It defines mechanical properties for bolts that range from 1 2 to 1 1 2 in diameter.
1 proofload is the published number that full size headed bolts are tested to.
Bolt size tpi tension min tension max tightening torque range ft lbs min max galv wax tightening torque range ft lbs min max plain.
These will be addressed in this article.
Astm f3125 f3125m is a structural bolt specification covering inch and metric bolt grades.
Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
Astm a325 is an astm international standard for heavy hex structural bolts titled standard specification for structural bolts steel heat treated 120 105 ksi minimum tensile strength.
For bolting specifications that do not have a published proofload it is usually calculated at 92 of minimum yield strength.
