Plug Welding

[Ashish Chacko]

I have a question regarding the use of a groove weld WPS for plugging a tube in an exchanger and whether it is necessary to qualify a Tube-to-Tubesheet (TTS) WPS instead. I would greatly appreciate your insights on this matter.

As per my understanding since it is a fillet weld we can do. If not please provide me reference.

[bavithran samuthralingam]

Groove weld WPS cannot be used in tube to tube sheet welding in heat exchanger Tube replacement . Separate WPS need to be prepared as per ASME SEC 9 and also the welder need to be qualified using that WPS 

On Tue, 24 Oct 2023 at 4:12 PM Ashish Chacko <iamash...@gmail.com> wrote:

I have a question regarding the use of a groove weld WPS for plugging a tube in an exchanger and whether it is necessary to qualify a Tube-to-Tubesheet (TTS) WPS instead. I would greatly appreciate your insights on this matter.

As per my understanding since it is a fillet weld we can do. If not please provide me reference.

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[Vishwas Keskar]

Ashish 

You can use the groove qualified WPS 

Enure ASME sec IX requirements are met 

Essential ,Non essential ,Supplentary  variables 

Thanks 

Vishwas IWE 

Sent from my iPhone

On 24-Oct-2023, at 6:42 PM, Ashish Chacko <iamash...@gmail.com> wrote:

 I have a question regarding the use of a groove weld WPS for plugging a tube in an exchanger and whether it is necessary to qualify a Tube-to-Tubesheet (TTS) WPS instead. I would greatly appreciate your insights on this matter.

As per my understanding since it is a fillet weld we can do. If not please provide me reference.

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[Ramamoorthi Thangarasu]

Hi

If WPS Qualified for Groove welds also qualified for fillet weld only want to check for thickness rank for approved WPS.

Regards

Ramamoorthi Thangarasu

On Tue, Oct 24, 2023 at 6:42 PM Ashish Chacko <iamash...@gmail.com> wrote:

I have a question regarding the use of a groove weld WPS for plugging a tube in an exchanger and whether it is necessary to qualify a Tube-to-Tubesheet (TTS) WPS instead. I would greatly appreciate your insights on this matter.

As per my understanding since it is a fillet weld we can do. If not please provide me reference.

--

[bavithran samuthralingam]

Hi 

For this tube to tube sheet welding separate wps need to be prepared and the welder should be qualified with that wps 

Kindly refer QW-193 in ASME SEC IX 😊😊

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