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Re: L-shaped A490 Anchor Bolts

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I agree you can have embrittlement. My point is the ABs aren't going to be 
experiencing a fracture-inducing event in service.

They're anchor bolts, not aircraft rivets.

William L. Polhemus, Jr. P.E.

5

On May 3, 2013, at 11:15 AM, Michael James <jamesm(--nospam--at)fastmail.net> wrote:

>> at transfer from the arc initiation to
>> the opposite side, you still can generate a crack from the arc 
>> initiation through the nut.  I have been challenged on this in the field 
>> by job superintendents and by engineers.  I have taken a hammer to tack 
>> welds on QT and alloyed steel and have fractured many welds to 
>> demonstrate brittle welds and crack initiation.

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