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Re: Welding Base Plate to Grade 8 Bolt

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Dear,

Gr. 8 bolt is weldable with the mild steel.

Otjerwise, you can make a procedure.

Weld bolt with the plate and send for mechanical testing.

Macro-etch will provide you an indication.

Regards,

On Thu, Jul 23, 2009 at 11:53 AM, Harold Sprague<spraguehope(--nospam--at)hotmail.com> wrote:
> You will loose the quenching and tempering properties of the Grade 8 bolt.
>
> Regards, Harold Sprague
>
>
>
> ________________________________
> From: h.d.richardson(--nospam--at)shaw.ca
> To: seaint(--nospam--at)seaint.org
> Subject: Welding Base Plate to Grade 8 Bolt
> Date: Tue, 21 Jul 2009 11:04:12 -0600
>
> Fellow engineers,
>
>         I have a client who wants to secure a base plate to a floor using
> Grade 8 bolts.  The intent is to have the threaded end down and epoxied into
> the floor; a leveling nut will be between the floor and the base plate to
> properly position the plate for grouting; the bolt head will be cut off the
> plate will be placed over top and welded to the bolts with some combination
> of plug and fillet welds through the anchor bolt holes.  The purpose is to
> have a flush surface with no protruding bolts or nuts.  The loads on the
> A-Bolts should be very small.
>
>         My question is this: is the Grade 8 bolt material compatible with
> mild steel plate for welding purposes?
>
>         I realize this is grossly over-designed; but, hey, it's the client's
> design and his money.  It's what he wants to do.
>
> Regards,
>
> H. Daryl Richardson
> ________________________________
> Windows Live™ SkyDrive™: Store, access, and share your photos. See how.

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