Re: [MW:15372] Re: Socket weld gap requirement

Your information is not true.
The gap its necessary for thermal expansion of tube been welded according to the operation temperature.
Its necessary to calculate the expansion expected according to the op temp.



Enviado desde mi iPhone

El 23/09/2012, a las 10:28 a.m., "ranendrac6@gmail.com" <ranendrac6@gmail.com> escribió:

> The gap is required to release the fume gases which generated during welding. No gap required after welding(I don't see any reason). You can check with 4 mm gap during fit up to meet client requirement.
> Sent on my BlackBerry® from Vodafone
>
> -----Original Message-----
> From: Raghuram Bathula <raghurambathula@gmail.com>
> Sender: materials-welding@googlegroups.com
> Date: Sun, 23 Sep 2012 08:10:03
> To: Materials & Welding<materials-welding@googlegroups.com>
> Reply-To: materials-welding@googlegroups.com
> Subject: [MW:15368] Re: Socket weld gap requirement
>
> no it it not required after welding, many times gap closes to zero due
> to shrinkage during welding. if your client requires the gap after
> welding (I don't see any reason for this) probably you need fit up
> with more gap.
>
> On Sep 22, 7:49 pm, Naresh Kumar <snareshkuma...@yahoo.com> wrote:
>> Dear experts,
>>
>> As per ASME 3.1.& 31.3 socket weld gap requirement is
>> 1/16" before welding. Whether it is required for after welding, if its require
>> kindly provide the code details.In our project we're done RT for socket welds. But
>> after welding did not find the 1/16" gap,
>> its less than 0.5mm. Our client decision is to cut and reweld the all joints.
>>
>>
>> Thanks & Regards,
>> Naresh
>
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