[PSUBS-MAILIST] Weld seam location

Wed Mar 1 12:48:08 EST 2023

This is true if you have a single seam weld. If you are butt welding multiple sections together, you want to stagger the longitudinal welds rotationally at an angle which is not a factor of the number of lobes at theoretical overall instability failure.

Sean

-------- Original Message --------
On Mar. 1, 2023, 10:25, Alec Smyth via Personal_Submersibles wrote:

> It goes on top, assuming you have a CT on top, because that minimizes the length of the welded seam.
>
> Best,
> Alec
>
> On Wed, Mar 1, 2023 at 12:20 PM James Frankland via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>
>> Hi All
>>
>> Im not sure if this matters much, but my fabricator has asked whether to put the main seam for the weld on either the top, or bottom of the main tube.
>>
>> Obviously this is for when they orientate it for the tower nozzle.
>>
>> On Jodie B i put it at the top.
>>
>> Skadoc's is at the bottom.
>>
>> What do people think?
>> Thanks
>> James
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