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We use un-galvanised RHS to make ISO containers and baseframes and have
never had any issues with internal rust - just external rust where the
paint surface has been damaged. If we weren't so tight I guess we
would get galvanised.<br>
<br>
Cheers,<br>
Alan<br>
<br>
Andrew Higson wrote:
<blockquote cite="mid001601c62e1e$32a1a9f0$0f00a8c0@dell05" type="cite">
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<div><span class="572493508-10022006">We were supplied with a load of
RHS when we were doing the job at Easton on the Hill. They had
persuaded Corby steel works to donate it. What they delivered was
sufficient for about 6 bellframes - quantity hadn't been specified! It
was all 12mm thick stuff and more robust than what we would have used.
Several projects benefited from this stock.</span></div>
<div><span class="572493508-10022006"></span> </div>
<div><span class="572493508-10022006">Naturally it was galvanised
inside and out and I can't see it rusting away any time soon. Having
been sceptical about its use prior to this we are now sold on the idea
and have used RHS on a number of subsequent occasions.</span></div>
<div><span class="572493508-10022006"></span> </div>
<div><span class="572493508-10022006">I'm with Matthew on this one.</span></div>
<div><span class="572493508-10022006"></span> </div>
<div><span class="572493508-10022006">Andrew</span></div>
<div><span class="572493508-10022006"></span> </div>
<div class="OutlookMessageHeader" align="left" dir="ltr" lang="en-us"><font
face="Tahoma">-----Original Message-----<br>
<b>From:</b> <a class="moz-txt-link-abbreviated" href="mailto:bellhistorians@yahoogroups.com">bellhistorians@yahoogroups.com</a>
[<a class="moz-txt-link-freetext" href="mailto:bellhistorians@yahoogroups.com">mailto:bellhistorians@yahoogroups.com</a>] <b>On Behalf Of </b><a class="moz-txt-link-abbreviated" href="mailto:matthewhigby@nXFp4UsnWy8HuDNXy1wO8Pc2nav4nz3fjXbovNkPUyzewqGyrgghE0ve4U7-4dMUywJ6nb9z6XdGb8eFFA.yahoo.invalid">matthewhigby@nXFp4UsnWy8HuDNXy1wO8Pc2nav4nz3fjXbovNkPUyzewqGyrgghE0ve4U7-4dMUywJ6nb9z6XdGb8eFFA.yahoo.invalid</a><br>
<b>Sent:</b> 08 February 2006 21:26<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:bellhistorians@yahoogroups.com">bellhistorians@yahoogroups.com</a><br>
<b>Subject:</b> [Bell Historians] In defence of RHS!<br>
<br>
</font></div>
<font id="role_document" face="Arial"></font>
<div>
<div><font id="role_document" face="Arial">In a message dated
08/02/2006 20:37:07 GMT Standard Time, <a class="moz-txt-link-abbreviated" href="mailto:davidbryant@L5FtO38IMf-67joJT2GTWaaucNSJ1UdGlWaW1Yt630Y7Im1JqpDbG7lCc2CaKmSBOafoEKLWwYPKzXkq-oFPdw.yahoo.invalid">davidbryant@L5FtO38IMf-67joJT2GTWaaucNSJ1UdGlWaW1Yt630Y7Im1JqpDbG7lCc2CaKmSBOafoEKLWwYPKzXkq-oFPdw.yahoo.invalid</a> writes:</font></div>
<blockquote
style="border-left: 2px solid blue; padding-left: 5px; margin-left: 5px;"><font
id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">Are there many
frames of tubular steel? Most of those I've seen have <br>
been made predominantly of channel. RHS is common for headstocks - I'm <br>
not a fan!</font></font></blockquote>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">There are a few
frames of tubular steel, I am pretty sure that Taylors designed one a
while ago. It was built by a firm who specialised in the use of tubular
steel - free of charge from memory. I am sure ADH will be able to
confirm this.</font></font></div>
</div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">Some modern H
section framesides are also made of RHS (we are installing one shortly
at Preston by Weymouth - the lower tier is H's). All box section has to
be appropriately drilled for the galvanizing process - so that it is
galvanized on the inside surfaces too.</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">Is there really
any evidence that steel headstocks are more likely to fail due to
fatigue? My personal view is that a headstock of galvanized RHS</font><font
style="background-color: transparent;" face="Arial"> which has been
either powder coated or primed and painted, is belt and braces above a
cast iron stock from a corrosion point of view.</font></font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">There are heaps of
steel headstocks from the early 20th Century that are still doing good
service, and in much better condition than some cast iron ones that I
have seen.</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">I suppose that it
mainly comes down to looks, cast iron looking much more stylish than
RHS - a bit of a Rolls Royce vs Ford Escort scenario - they both do the
same job, but one looks more stylish and costs a lot more! </font></font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">RHS is more robust
than grey cast iron - I have lost count of the number of stay sockets I
have seen cracked or broken out, caused by improper fitting of
replacement stays..............."Oh one bolt will be enough Jim - we
had better get a move on, practice starts in 10 mins" and all
that............</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">The steel
corrosion at Rosscarbery is the most extensive that I have ever seen -
I have kept some bits as souvenirs! However it was only extensive where
it was in direct line with the sea air (near the windows), or in
contact with the tower walls.</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">The slating of RHS
on this list is undeserved, I have seen no compelling evidence (as
yet) to convince me otherwise.</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">Nuff from me!</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font
style="background-color: transparent;" face="Arial">Matthew (Who
drives an Escort Van and supplies both RHS and Cast iron headstocks ;-)<br>
</font></font></div>
<div><font id="role_document" face="Arial"> </font></div>
<div><font id="role_document" face="Arial"><font ptsize="10"
family="SANSSERIF" face="Arial" lang="0">Matthew Higby & Co Ltd,<br>
Church Bell Engineers.<br>
Jasmine Cottage,<br>
The Street,<br>
Chilcompton,<br>
Bath,<br>
BA3 4HN.</font></font></div>
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