Materials & Welding: Re: [MW:33424] WPS THICKNESS QUALIFICATION AD PER SEC IX

Sunday, September 4, 2022

Re: [MW:33424] WPS THICKNESS QUALIFICATION AD PER SEC IX

Dear Srinivas,

Thanks for the clarification.

Regards

V.Kingsly Geo.

On Tue, 26 Jul 2022 at 08:45, srinivas rao <engr.srini@gmail.com> wrote:

kindly note that QW-452 -is applicable only for Perfromance qualification , for procedure qualifcation thickness limits one has to follow QW-451 . hope this clarifys.

Thanks
Srinivas Rao

On Tuesday, July 26, 2022 at 7:30:54 AM UTC+4 srinivas rao wrote:
Dear Ganesh,
your undestanding was correct , go ahead.
kindly ignore mail from Mr. V.Kingsly Geo. BCZ it is applicable for perfromace qualification.

Thanks
Srinivas Rao
On Monday, July 25, 2022 at 12:14:43 PM UTC+4 kingsly...@gmail.com wrote:
Dear Ganesh,

Job PQR thickness - 25.4mm
Process - GTAW (4mm)+ SMAW(21.4)

as per ASME sec IX, Qualifications range for GTAW 4mm --- min - 5mm, max- that is <19mm, 2t =8mm ---------------- GTAW - MAX 2t - 8 MM

Qualifications range for SMAW 21.4mm -- min-5mm, max- that is >19mm, 2T=2(25.4)=50.8mm ---------------- SMAW - Unlimited Thickness if PQR has been done with 3 layers of welding.

So..
The total thickness welded is 25.4(4+21.4)mm
Total thickness qualified is -=8+50.8=58.8mm --------------- GTAW - 8 MM MAX & SMAW Unlimited thickness

Regards,
V.Kingsly Geo.

On Mon, 30 May 2022 at 07:12, Ganesh Muthurajan <qcen...@gmail.com> wrote:
Gent's

Can any one explain with example of thickness qualifications - procedure.

Especially for combination of process with 19mm to 38mm thickness job welded.
Explain me each and every step.

Here I explain what I am understand that code. Weather it's wrong please explain.

Example.

Job PQR thickness - 25.4mm
Process - GTAW (4mm)+ SMAW(21.4)

as per ASME sec IX, Qualifications range for GTAW 4mm --- min - 5mm, max- that is <19mm, 2t =8mm

Qualifications range for SMAW 21.4mm -- min-5mm, max- that is >19mm, 2T=2(25.4)=50.8mm

So..
The total thickness welded is 25.4(4+21.4)mm
Total thickness qualified is -=8+50.8=58.8mm

Is that correct or not.
If it wrong kindly give me a brief lesson to me.

Thank you
Ganesh
QC Welding

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