Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
A325 structural bolt torque specs.
We are choosing to keep this technical information about the now obsolete a325 specification on our website for.
Astm a325 is an astm american society of the international association for testing and materials international standard for heavy hex structural bolts.
Length is measured from under the head.
A325 a325m a490 a490m f1852 and f2280.
Astm f3125 f3125m is a structural bolt specification covering inch and metric bolt grades.
A325 f1852 a490 and f2280.
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.
The f3125 specification is a consolidation and replacement of six astm standards including.
For bolting specifications that do not have a published proofload it is usually calculated at 92 of minimum yield strength.
Prepared by rcsc committee a 1 specifications and approved by the research council on structural connections.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
These will be addressed in this article.
Asme b18 2 6 covers dimensional standards for a325 heavy hex structural bolts rcsc.
Astm a325 specifications technical menu posted on july 1st 2015 by vapro.
It defines mechanical properties for bolts that range from 1 2 to 1 1 2 in diameter.
Bolt size tpi tension min tension max tightening torque range ft lbs min max galv wax tightening torque range ft lbs min max plain.
This specification contains 4 inch series bolting grades.
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.
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.
The research council on structural connections is a non profit volunteer organization whose research projects serve to provide safety.
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 most common heavy hex head screw these steel screws meet astm a325 regulations for structural joints such as mating i beams and scaffolding.
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.
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.
1 proofload is the published number that full size headed bolts are tested to.
Dimensions meet asme b18 2.
