Re: [MW:33043] Fwd: WPS TO QUALIFY THE OF THE WELDER

Sometimes it is unavoidable that some Nozzle welds overlap Circum seam or Longitudinal seam, in that case the circum seam or Longitudinal weld seam shall be flush grinded and RT performed before welding and after successful RT results the Nozzle weld may be welded over flush grinded seam and perform necessary NDT after welding.

I believe your question is Nozzle weld overlapping longitudinal seam.

Thanks & Regards

J.Gerald Jayakumar

On Monday, 11 April, 2022, 08:54:50 am IST, prasad loke <prasadloke27@gmail.com> wrote:

Dear experts , 

I need valuable guidance on following,

Overlapping of circumferential weld joint over longitudinal weld joint in pressure nozzle is acceptable ?  If yes , then as per which reference standard and clause

Thanks 

Regards

Prasad 

On Mon, 4 Apr 2022, 9:11 am Rene Alvarado, <rene.alvarado.lozano@gmail.com> wrote:

Thanks Karthik but I'm sorry because the wording of my question was wrong.

Our WPS-XXX was qualified in 2012 = SMAW / Manual / P·No.: 1 Group No 1 y 2 a P-No: 34 Group No. N/A with 0.237" thickness in position 6G (SA-106 Gr. B to SB-466 ALLOY 706) with backing ring (SA-36) / Filler metal E-NiCu-7 of 3/32" and 1/8" / minimum preheat temperature 400° F and interpass temperature 600° F.

Nowadays in the year 2022 we need to qualify a welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX using the WPS-XXX described above.

Question: Can we use the WPS-XXX to qualify the welder in fillet welding according to the Figure QW-462.4(c) pipe to pipe of ASME IX?

Thank very much

El vie, 1 abr 2022 a la(s) 01:44, 'Karthik' via Materials & Welding (materials-welding@googlegroups.com) escribió:

Hi,

As per Table QW451.4 All Groove weld test qualified for All fillet sizes on all base metal thicknesses and all diameters.

Thanks& Regards,

(Karthik)
Karthikeyan.S
M: +66-892512282

On Friday, April 1, 2022, 10:11:08 AM GMT+7, Rene Alvarado <rene.alvarado.lozano@gmail.com> wrote:

FE DE ERRATAS

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 5F on pipes Copper Nickel ( O.D. 2 ½" thickness 0.280") to Carbon Steel (O.D. 3" schedule 160 in accordance ASME IX?

 

Thanks

---------- Forwarded message ---------
De: Rene Alvarado <rene.alvarado.lozano@gmail.com>
Date: jue, 31 mar 2022 a la(s) 08:40
Subject: WPS TO QUALIFY THE OF THE WELDER
To: <materials-welding@googlegroups.com>

Experts

 

Can I use a WPS qualified with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.237" and with backing ring to qualify the skill of the welder in fillet welding with the SMAW process in position 6G on pipes Copper Nickel to Carbon Steel with a thickness of 0.125"  ?

 

Thanks

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