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Re: STEEL: Galvanizing of High-Strength Bolting

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Note also that A325 twist off bolts may only be mechanically galvanized in order to maintain consistency in the torque values to twist off the spline.


I thought twist-offs were covered by a spec other than A325.
That is, the material strength may be the same, but
twist-offs are covered by F1852.  I'm not familiar with
F1852.  Is the material chemistry the same?

I'm not arguing with the mechanical galvanizing comment.


Charles Hamilton, PhD EIT               PGR and Lecturer
Department of Civil and                 Phone: 949.824.3752
    Environmental Engineering           FAX:   949.824.2117
University of California, Irvine        Email: chamilto(--nospam--at)

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