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  1. #1
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    Default when only the finest welding will do...

    How to build a Nuclear Submarine - BBC2 Documentary - YouTube

    this is an hour long BBC documentary on the UK's nuclear sub plant,
    and at minute 22 there is an interesting seven or eight minutes on welding,
    with some pics of welds. I enjoyed the whole thing but between minute 22 and I think 29
    is where the relevant welding parts are.

    I thought the young lady's early comment about "argon: two lungfuls of that and you're gone"
    was interesting. When I graduate to argon use, I'll sure keep that in mind.
    Might have a lot to do with welding in confined spaces too and whether the air handlers even worked yet.

    All welds are xrayed. what they do with a "defect" there would have been interesting to hear about.

    No different I suppose than welding on a plane or other super critical application. Like a high pressure LNG pipeline.
    Not quite sure my Gravely's mower deck would qualify...
    2012 Kubota L5740HSTC3 with FEL and Long grapple, 1986 Case IH 255, Land Pride PD10 PHD, Land Pride RCR60 & RCF2084 mowers, Land Pride 4' box blade and rear rake, Fred Cain subsoiler, County Line potato plow, County Line 1 bottom plow, 1986 Gravely 8199G with tow behind DR rototiller, 50" deck+40" Gravely wing mower, Gravely snowblower, Swisher 44 rough cut mower,Ariens snowblower, Echo 450-18 & 600-24, Echo PPT280, 2006 JD LX280, , 1968 Cub Cadet 125, Husky-Speeco 35 ton splitter

  2. #2
    Super Star Member k0ua's Avatar
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    Default Re: when only the finest welding will do...

    Drew, not that argon is poisonous to the human body, it is just the lack of oxygen will make you pass out, and die..
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  3. #3
    Elite Member Shield Arc's Avatar
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    Default Re: when only the finest welding will do...

    In the 1970s I worked in a tank shop building nuclear waste tanks. The inside of these tanks were 10-GA stainless steel. The safety department got on a kick when we went home for the night after Tig welding inside these tanks, we had to promise we would go home and place our feet in chair while laying flat of our backs for so many hours a night. This was their idea to get the argon to drain out of our lungs!


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  4. #4
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    Default Re: when only the finest welding will do...

    Quote Originally Posted by Shield Arc View Post
    In the 1970s I worked in a tank shop building nuclear waste tanks. The inside of these tanks were 10-GA stainless steel. The safety department got on a kick when we went home for the night after Tig welding inside these tanks, we had to promise we would go home and place our feet in chair while laying flat of our backs for so many hours a night. This was their idea to get the argon to drain out of our lungs!
    Uh, I hope those tanks didn't go to Washington and leak... oh dear
    well, I'm sure yours didn't....actually yours probably were sent there to clean up the existing mess.

    Jim, sounds like being in an enclosed place when a fire extinguishing system goes off. Never a good idea.

  5. #5
    Elite Member Shield Arc's Avatar
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    Default Re: when only the finest welding will do...

    We were contracted to this outfit. The tanks we built were to haul contaminated tools and clothing from the Hanford Nuclear Reservation in Eastern Washington to Barnwell South Carolina burial site.
    Chem-Nuclear Systems


    Miller Dynasty 300.
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    Lincoln LN-25.
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    Everlast PowerArc 300.
    5 Lincoln SA-200s.
    1800 Ellis saw.
    Hypertherm Powermax 1250, CNC table.
    PROFAX Welding Positioner.
    JD2 model 3.

  6. #6
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    Default Re: when only the finest welding will do...

    The Truth About Barnwell

    So Barnwell is where the feds are trucking some of the mess from Hanford, but apparently only low level material. Less than ten percent left after a hundred years.
    I suppose that is comforting to the neighbors. Besides, if Shield Arc welded those tanks, well, you know they are just fine...

  7. #7
    Super Star Member k0ua's Avatar
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    Default Re: when only the finest welding will do...

    Quote Originally Posted by daugen View Post
    Uh, I hope those tanks didn't go to Washington and leak... oh dear
    well, I'm sure yours didn't....actually yours probably were sent there to clean up the existing mess.

    Jim, sounds like being in an enclosed place when a fire extinguishing system goes off. Never a good idea.
    Been there, done that, and did not like the feeling much... The mirage shimmer when looking at the lights was interesting.. We got outside and got some air..felt better after a while.
    James KUA

    Kioti DK35se hydrostat with 2 QA buckets, 48 inch. King Kutter Rotary Cutter. 750 lbs ballast box. Loaded tires, Construction Attachments SSQA Lightweight Pallet forks. EA 50 inch single lid "wicked" Grapple. Satisfied Everlast PA160 welder owner How to add a link to a post . Best way to search TBN


  8. #8
    Elite Member Shield Arc's Avatar
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    Default Re: when only the finest welding will do...

    God it was so long ago now, and I've built so much stuff since then. We made several different types. Most were lead lined. Some the walls of the tanks were filled with concrete. They all had 10-GA stainless steel inside, but with different thickness of laminated 3/8-inch thick lead in the walls. Most were 7-inches thick. Then we laminated 3/4-inch thick high carbon steel sheets for the outside. These tanks were so heavy it took special low boy trailers made out of T1 to carry these tanks.


    Miller Dynasty 300.
    Lincoln V350-Pro w/pulse.
    Lincoln LF-72 wire feeder.
    Lincoln SG Spool gun.

    Lincoln LN-25.
    1937 IdealArc-300.
    Everlast PowerArc 200.
    Everlast PowerArc 300.
    5 Lincoln SA-200s.
    1800 Ellis saw.
    Hypertherm Powermax 1250, CNC table.
    PROFAX Welding Positioner.
    JD2 model 3.

  9. #9
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    Default Re: when only the finest welding will do...

    Quote Originally Posted by k0ua View Post
    Drew, not that argon is poisonous to the human body, it is just the lack of oxygen will make you pass out, and die..
    And it's heavier than air, so it doesn't drain out unless you stand on your head.


  10. #10
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    Default Re: when only the finest welding will do...

    It's interesting that we should be talking about welding on submarines; it's been 50 years since the USS Thresher went to the bottom taking 130 + men with it. I think the cause was defective welds in piping.

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