Re: [MW:24197] Qualified thickness for welder

Dear Mr.Anamul

Asper ASME SEC-IX-

 

·         Thickness qualified- Unlimited, if the deposited weld metal was at least 3 layers.(according to WPS)

·         Plate and Pipe over 24 in. qualified for F,H & V positions.

·         Pipe qualified of 2 7/8 in.(73 mm) for F & H positions.

·         Only qualified for with backing.

 

 

 

Thanks & Regards

Nareshkumar Subramanian

---

From: Asif Raza <asif.raza@yascotech.com>
To: materials-welding@googlegroups.com
Sent: Sunday, January 31, 2016 6:23 PM
Subject: RE: [MW:24195] Qualified thickness for welder

Not clear answer?

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Friday, January 29, 2016 12:58 PM
To: materials-welding@googlegroups.com
Subject: Re: [MW:24183] Qualified thickness for welder

 

I the deposited thickness was 13 mm and over and he has deposited at least 3 layers then the range is not  2t but the maximum to be welded (restricted by the WPS)
best regards

Dr. Georgios Dilintas

Authorized Nuclear Inspector
Authorized Inspector Supervisor

I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS A.E  - PIRAEUS  GREECE

Tel: +30 210 40 63 113 /4 /5
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04


anamulqc---19/01/2016 04:25:18---Dear Sir,  We conducted welder qualification at Karbala Oil Refinery Project as per

From: anamulqc@gmail.com
To: Materials & Welding <materials-welding@googlegroups.com>
Date: 19/01/2016 04:25
Subject: [MW:24126] Qualified thickness for welder
Sent by: materials-welding@googlegroups.com

---

Dear Sir,

 We conducted welder qualification at Karbala Oil Refinery Project as per ASME-IX 2013 Edition. 

 WPS details as follow 
1. WPS qualified base metal- P1 to P1 Gruop all
2. WPS mentioned base metal thickness range- 5 to 26 mm
3. Process FCAW
WQT details
1. Joint design Single V butt joint with back weld(Root side back grind then weld)
2. Base metal SA283-C
3. Thickness 16.0 mm
4. Sequence of welding- Root pass>Hot Pass>Filling>Capping>Back grind & Back weld
5. Test position 2G & 3G 

My client inspector say welder will qualified only for 2T  & Pipe Diameter will qualify over 24" I want to clarify is he correct? For thickness qualified he mention about QW-404.30 
However I will appreciate to you for clarify my problem.




Regards
Anamul
QA/QC Engineer

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