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RE: Stainless Steel Nuts

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Galling will be a problem.  I don't have much experience in this area, but
the Acme threads could be helpful buy giving you more uniform bearing.  You
may want to consider a harder stainless.  Look at the ASTM A193 series.
There is a wide selection.

For lubrication, use any of the graphite lubricants in an alcohol vehicle.
Neolube from Huron Industries is widely used as a stainless steel lubricant.

Harold O. Sprague

> -----Original Message-----
> From:	Nels Roselund, SE [SMTP:njineer(--nospam--at)]
> Sent:	Tuesday, November 12, 2002 1:49 PM
> To:	seaint(--nospam--at)
> Subject:	Stainless Steel Nuts
> I want to detail a connection that will use a calibrated jack to pull a
> stainless steel threaded rod to a predetermined tension, and then transfer
> that tension to a nut by tightening the nut until the jack load goes to
> zero.
> Will galling of the threads be a problem?  Will use of Acme threads help?
> Is there a lubricant that will minimize the probability of galling?  The
> structure will be of 316L.  Is there another stainless steel that would be
> better for the rods and nuts of this particular detail in order to
> minimize galling?
> Nels Roselund
> Structural Engineer
> South San Gabriel, CA
> njineer(--nospam--at) <mailto:njineer(--nospam--at)>

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