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Your comments were what I was thinking, except I had never seen the A518.





-----Original Message-----
From: Benjamin Maxwell [mailto:enginerd666(--nospam--at)]
Sent: Friday, February 01, 2008 1:44 PM
To: seaint(--nospam--at)
Subject: Re: ASTM




A 496 material is the correct designation for the material used by the Nelson arc welding machines.


A 706 material would be acceptable for use, in lieu of A 496, if the contractor intended on providing all-around fillet welds to the structural steel (be prepared to give them an appropriate weld thickness schedule, and don't forget the visual inspection).  Fillet welds work up to #6 or somewhere in there before your cross sectional area to circumference ratio makes it impossible to connect with fillet welds.


If you're on a small job, contractors sometimes seem to opt for welding the bars themselves rather than bringing in the specialty equipment for the DBAs.


A 518?  From what I see this is an iron casting designation.



Jason Christensen <jason(--nospam--at)> wrote:

Anyone know what the current ASTM designation for DBA (deformed bar anchor) is?


I have some shops coming in specifing A496, another set specifing A706 weldable rebar, and another set with A518. 


Just wonding what I should be specifing for just a general application?



Benjamin H. Maxwell, S.E.


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