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RE: Bay Bridge Broken Bolts

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Howard:

Again, not an expert on this...that's the basis of our occasional 
relationship over the years...but my understanding is you have the 
following:

A153 ZINC COATING (HOT-DIP) ON IRON AND STEEL HARDWARE
B695 COATINGS OF ZINC MECHANICALLY DEPOSITED ON IRON AND STEEL

Either of which may be used to galvanize fasteners.

Is there any advantage to B695 as far as H.E. is concerned?

-----Original Message-----
From: seaint-seaosc(--nospam--at)mail-list.com [mailto:seaint-seaosc(--nospam--at)mail-list.com] On 
Behalf Of Harold Sprague Sent: Monday, May 13, 2013 10:31 PM
To: seaint-seaosc(--nospam--at)mail-list.com
Subject: RE: [SEAINT-SEAOSC] Bay Bridge Broken Bolts

If the issue is hot dipped galvanized, I don't blame them for not allowing 
them.  Hydrogen embrittlement is not well understood.

Regards, Harold Sprague

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