Repair WPs

[udaya bhaskar]

Dear Giants,

I want to know about little doubt on piping welding repair WPS.

WPS made with 6010 and 7010 electrodes for regular welding.

Now I can plan with  6010 and 7018 electrodes for Repair WPS on the same .

Material :API5L PSL2 grade P1G1

is it allowable?

please correct me.

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With Regards

Udaya bahaskar.D

+919676270121

[Jamie Reyes]

If no impacts are involved, then yes. If I’m understanding you correctly, that is.....

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Regards,

Jamie Reyes

J.R. Machine Company, Inc.

[Kannayeram Gnanapandithan]

u can not use 7018 in place of 7010  because Fno is different which is an essential variable.

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

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[venkat chikkala]

Dear, 

You can use E6010 & E7018 for preparation of New WPS for repair, if project specification is silent about selection of electrode.

But existing WPS shall not be used with this combination of electrodes.

Regards,

CH V RAMANA 

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[Jamie Reyes]

Can you weld repair 7010 with 7018? Yes, With a PQR that is qualified per F4 Electrode,  along with all other essential variables. Kannayeram is correct. Hope this clears up any confusion.

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[udaya bhaskar]

Thank you for your advice.

But as per API1104 both F number is A5.5 . 

Table 1—Filler Metal Groups

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[Kannayeram Gnanapandithan]

7010 comes under Group no 1 whereas  7018 comes under Group no 3.  Hydrogen level is more in 7010 than 7018

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

On Thu, Dec 3, 2020 at 2:30 PM Kannayeram Gnanapandithan <kgpan...@gmail.com> wrote:

see the group no, no sfano. SFA no is not essential, only Group no or Fno as per ASME

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/CANii3RO5oEWD7_Rziv30ay2ja985A7N334%3DRO1UhMM83SmB0yA%40mail.gmail.com.

[Kannayeram Gnanapandithan]

see the group no, no sfano. SFA no is not essential, only Group no or Fno as per ASME

THANKS & BEST REGARDS,

KG.PANDITHAN, BE, IWE,  CSWIP 3.1,

ISO 9712 Level 2 in VT,

ASNT-Level II in PT,MT,RT & UT,

LA ISO 9001-2015,

International Welding Engineer. 

CONSULTANT-WELDING & QUALITY

Mobile no: +919940739349

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[Mohan q8]

Dear, 

Pls clarify that your construction code is Piping of Pipeline?

For Pipeline and as per API 1104 you need to have qualified Repair WPS for repair. 

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With Regards,

Mohan, Q8.

[TDK YOKESH]

7010 you must be doing downhill and 7018 uphill progression. So your progression will change. 

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