[TheForge] Welding advice -- Now Heavy Welds

[David E. Smucker]

Chuck / James -- this all make sense -- the use of riveted structures for 
ships -- As almost all heavy industrial structural steel was still using 
riveted design well into the 1950's.  (I know that based on older mill 
building in the company I worked for being riveted construction.)  In fact 
if I remember this correctly some of the first welded ship construction was 
the "Liberty" Ships built during WWII and a number of these ended up with 
stress cracking failures while at sea.

Use of the riveted construction that allowed ships to "work" was an 
extension of the timber construction that did the same.  It is interesting 
to read about ships of the early 1800's and how much active rebuilding that 
was always going on all of the time, some even while at sea.  The first of 
the iron clad (1860's) of course where wrought iron plates on wooden 
superstructures.  This ended the all wooden ship for most war ships.

Dave Smucker
----- Original Message ----- 
From: "Chuck Robinson" <robi5515 at bellsouth.net>
To: "Sponsored by ABANA" <theforge at mailman.qth.net>
Sent: Wednesday, March 02, 2005 2:26 PM
Subject: Re: [TheForge] Welding advice -- Now Heavy Welds


> OK so they are heavy rivets.
> Chuck
> ----- Original Message ----- 
> From: "James Binnion" <jbin at well.com>
> To: "Sponsored by ABANA" <theforge at mailman.qth.net>
> Sent: Wednesday, March 02, 2005 11:40 AM
> Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
>
>
>> Armor plate was bolted in place. see 
>> http://www.usswashington.com/pnybuild/pny_55.htm and
>> http://www.usswashington.com/pnybuild/pny_56.htm
>>
>>>In the 20's ships hull plates were riveted not welded. It wasn't till the 
>>>40's before the process to weld hulls was perfected enough so that the 
>>>hulls could flex enough in heavy sea states so they wouldn't stress crack 
>>>and fail.
>>>Chuck
>>>----- Original Message ----- From: "Andrew Vida" <osan at netlabs.net>
>>>To: "Sponsored by ABANA" <theforge at mailman.qth.net>
>>>Sent: Tuesday, March 01, 2005 6:59 PM
>>>Subject: Re: [TheForge] Welding advice -- Now Heavy Welds
>>>
>>>>
>>>>
>>>>David E. Smucker wrote:
>>>>>As to Andy's original question I would guess that the heavy plate 
>>>>>sections were welded using a submerged arc weld system.
>>>>
>>>>But how would they have done it in the 1920s?
>>>>
>>>>
>>>>--
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>>
>> -- 
>> Jim Binnion
>>
>> James Binnion Metal Arts
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