As far as ASME IX is concerned please read carefully the notes of QW-251.(a) and of QW-452.1(b)
Dr. G. Dilintas - Authorized Inspector Supervisor
I&F Regional Technical Manager
Bureau Veritas Piraeus - Greece
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
César Alexis Viteri Pérez <alexis_viteri@hotmail.com>
Sent by: materials-welding@googlegroups.com 30/10/2010 20:27
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Dear Members,
Is it acceptable to qualify 2 welders (API 1104 - 6G - one by side) per cupon (down from 8" NPS) or not ?
Is it acceptable to qualify 2 welders (ASME IX - 6G - one by side) per cupon (down from 12" NPS) or not ?
Thank and regards
Date: Sat, 30 Oct 2010 10:37:56 +0000
To: materials-welding@googlegroups.com
Subject: Re: Re: [MW:7943] No of Welders
From: drpaulosejohn@rediffmail.com
Dear Mr. Arun,
Minimum number of welders to be qualified by one WPS is - One welder. The welder who performs the PQR coupen welding is automatically becomes qualified. Please refer 2nd para of QW 301.2 of Section IX:2010 and para 621 of API 1104:2007.
Regards,
Dr. Paulose John
QA/QC Manager,
Unisis Engineering,
Saudi Arabia
.
On Sat, 30 Oct 2010 14:15:07 , No ID Specified wrote
| To my knowledge there is no limit for number of welder qualification upon one WPS, You can qualify as many as per to the requirement for your project. Here By, P.BalajiRajan, -------Original Message------- From: Arun Das Date: 10/28/10 17:39:52 To: materials-welding@googlegroups.com Subject: [MW:7911] No of Welders Sir, Minimum number of welders to be qualified upon one WPS is mentioned in SEC 1X or API 1104. We are using PIPE,16"X0.375"WT STD SCH API 5L X52 Thanks in advance with regards, Arun S Das |
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