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Author Topic: Anybody ever weld a very large aluminum diesel fuel tank?  (Read 13529 times)

slappynuts

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Anybody ever weld a very large aluminum diesel fuel tank?
« on: October 31, 2009, 03:38:01 PM »
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dvst8r

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #1 on: October 31, 2009, 03:39:57 PM »
How big? I have done a few. Including semi tanker trailers.
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slappynuts

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #2 on: October 31, 2009, 03:55:18 PM »
Quote from: dvst8r on October 31, 2009, 03:39:57 PM
How big? I have done a few. Including semi tanker trailers.

This is a 18 wheeler truck tank. I purged it with argon and started welding it but I dont like what I am seeing so fuck it. I dont need to die today.
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Hotrodlincoln

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #3 on: October 31, 2009, 05:33:38 PM »
my brother welds them, he runs air through them for a day or 2, then welds em no big deal
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brine04

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #4 on: October 31, 2009, 07:14:27 PM »
Fill with water and weld away?
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dvst8r

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #5 on: October 31, 2009, 09:23:48 PM »
Quote from: brine04 on October 31, 2009, 07:14:27 PM
Fill with water and weld away?

Tough to weld standing in water.  :P
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slappynuts

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #6 on: October 31, 2009, 10:10:28 PM »
I filled it with argon and welded some of it but I didnt like the flamable vapor coming out of the tank so I said fuck it.
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crttaz

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #7 on: October 31, 2009, 10:41:06 PM »
Quote from: slappynuts on October 31, 2009, 10:10:28 PM
I filled it with argon and welded some of it but I didnt like the flamable vapor coming out of the tank so I said fuck it.

Try welding on a natural gas line.....as long as no oxygen inside the pipe, no problems.

More fun doing the welding in a ditch or pit....that gets fill with gas. Like a match, throw it in the hole, whoosh!......roll in and start welding.
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dvst8r

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #8 on: October 31, 2009, 11:31:36 PM »
The tanks I worked on were pressure washed then etched. They were similar to this:
 
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toyolla86

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #9 on: November 01, 2009, 01:40:28 PM »
well doesnt disel only combust under immense pressure anyways.

has anybody ever tried to light diesel on fire with a match.
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dvst8r

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #10 on: November 01, 2009, 01:42:55 PM »
Quote from: toyolla86 on November 01, 2009, 01:40:28 PM
well doesnt disel only combust under immense pressure anyways.

has anybody ever tried to light diesel on fire with a match.

Welding torch's burn a little hotter then a match.  ;)

Also I have started a number of number of campfires with a little diesel and a match.
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Jordy53

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #11 on: November 01, 2009, 02:56:02 PM »
I have been told buy our welders at work when they weld drop tanks for the jet they wash them out with Dawn dish soap first. Im sure if the navy does it is probably ok. GL
« Last Edit: November 02, 2009, 04:09:57 PM by Jordy53 »
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Passenger

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #12 on: November 01, 2009, 04:33:39 PM »
I've welded lots of diesel and gasoline tanks, clean them out real good with soapy water or a detergent that removes oil, leave the cap open, and weld away.
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brine04

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Re: Anybody ever weld a very large aluminum diesel fuel tank?
« Reply #13 on: November 02, 2009, 01:50:17 AM »
Quote from: dvst8r on October 31, 2009, 09:23:48 PM
Quote from: brine04 on October 31, 2009, 07:14:27 PM
Fill with water and weld away?

Tough to weld standing in water.  :P
He's not welding a tanker he's welding a saddle tank. If he can fit through the filler cap he has bigger problems than welding up that crack.
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