[TheForge] Re: File Making

[Larry Brown]

A show on the history channel was talking about when they raised the 
turrent for the Ironclad Monitor and haw it was kept in a special tank to 
remove the salts.
http://www.monitorcenter.org/preserving/
Click on Electrolytic reduction
LB


At 06:25 PM 3/24/2008 -0700, you wrote:
>After thinking about this longer, it could be that older iron is more
>porous as it ages. (Especially after sitting under water for fifty or
>one hundred years.)
>
>This is just speculation, but perhaps a fine network of pores gets
>etched through the surface as, for example, carbon gets carried away.
>
>I'm just wondering what would explain this "porous steel" thing I keep
>hearing about.
>
>
>
>
>
>Jeff Polaski
>RGS Webmaster
>(949) 824-6363
>
>
> > -----Original Message-----
> > From: theforge-bounces at mailman.qth.net [mailto:theforge-
> > bounces at mailman.qth.net] On Behalf Of Jeffrey Polaski
> > Sent: Monday, March 24, 2008 11:51 AM
> > To: Sponsored by ABANA
> > Subject: RE: [TheForge] Re: File Making
> >
> > I'm not really used to thinking of iron/steel as absorbent, but it's
> > come up several times. Especially with regard to welding gasoline
>tanks.
> >
> >
> > Are there any guide lines on how much a hunk of steel can absorb?
> >
> >
> >
> > Jeff Polaski
> >
> >
> > > -----Original Message-----
> > > From: theforge-bounces at mailman.qth.net [mailto:theforge-
> > > bounces at mailman.qth.net] On Behalf Of Larry Brown
> > > Sent: Saturday, March 22, 2008 12:01 PM
> > > To: Sponsored by ABANA
> > > Subject: Re: [TheForge] Re: File Making
> > >
> > >
> > > Speaking from the other side or the Arthur Kill, and being 49 I
> > remember
> > > all sorts of nasty stuff on the beaches over the years, being
>cleaner
> > in
> > > more recent times. NJ has and had tons of nasty chemical companies
> > along
> > > the eastern NJ boarder with Staten Island and NY and we had or have
> > the
> > > world's biggest dump in the marsh along the river.
> > >
> > >   I remember working in Whitte ship scrapyard when I was 18 that
> > cutting
> > > sometimes gave some foul odors, usually on the older stuff that had
> > been
> > > soaking or on the bottom the longest. I think the guy who repaired
>the
> > > holes in the bottom of the barges by welding plates between the ribs
> > had
> > > very little left in the way of vocal cords.
> > > I thought it might be the salt absorbed into the metal. I have some
> > pieces
> > > of WI from old docks and a few just foam when heated. I found that
> > steel
> > > and WI are both affected and have seen what looks like a crust near
> > the
> > > edges after the piece cools when you torch cut it. Might be on the
> > surface
> > > or from within
> > >
> > > Larry BRown
> > >
> > > At 09:26 AM 3/20/2008 -0400, you wrote:
> > > >Speaking of fumes, much of the wrought iron I pulled out of Raritan
> > Bay
> > > in
> > > >Perth Amboy gives off a fume that is really nasty.  You get the
> > tiniest
> > > >whiff and everything inside you says "NO!".  I have learned to
>steer
> > > clear
> > > >of this.  Put the iron in the fire awhile and let whatever noxious
> > things
> > > >that are there burn off while giving a respectful berth.
> > > >
> > > >What I could not quite figure is what those noxious things may have
> > > >been.  The fumes are most acrid - very harsh on the nose, and
> > something
> > > >of a singular sensation (please, no lapsing into "A Chorus Line").
>I
> > > also
> > > >notice the occasional strange blue flame.  Not like copper, but not
> > like
> > > >anything else either, of which I am familiar.  Any ideas?  This
>iron
> > has
> > > >lain in the brackish-to-salty waters of the bay for at least 50
> > years,
> > > >closer to 100 in most cases I would imagine - old ship graveyard.
> > > >
> > > >         -Andy
> > > >
> > > >Larry Brown wrote:
> > > >>Thanks for the information in the post, I always try to stay away
> > from
> > > >>the fumes as it stinks, but the cyanide information is really good
> > to be
> > > >>aware of. Don't use it much, got the can 2nd hand and have had it
> > 20+
> > > yrs.
> > > >>Larry Brown
> > >
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