Welder Qualification

[John]

Can a welder use SS electrode on CS material ? for qualification and what is the range?

thanks

[Ritesh Kumar Singh]

Mean he is qualified for CS & SS Both. 

On Mon, 16 Oct, 2023, 12:52 pm John, <johnmouni...@gmail.com> wrote:

Can a welder use SS electrode on CS material ? for qualification and what is the range?

thanks

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[Suraj Naik (KPCL)]

Dear Ritesh,

It is depend on P No. & F No and P No. of SS and CS is different so that it is not applicable for do welding vice versa.

Regards,

Suraj Naik

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Suraj Naik

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[Vishwas Keskar]

Dear John

Your query is not clear 

Pl details out the query with background so that guidance can be given

Sent from my iPhone

On 24-Oct-2023, at 6:42 PM, 'Suraj Naik (KPCL)' via Materials & Welding <material...@googlegroups.com> wrote:



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[Ramamoorthi Thangarasu]

Hi 

There are 2 different work operations mixed together.

1) SS electorate not possible for cs materials because the chemical composition was changed.required new PQR/WPS for cs.

2) as per ASME Sec IX SS Welder can be eligible for CS only limitation for piping for (back Purging). 

Regards

Ramamoorthi Thangarasu

Sr,Inspection Engineer

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