Please read the entire QW-202.1 section. The paragraphs after the first one provide guidance as I discussed below.
John A. Henning
Welding & Materials
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Mohammad Saquib
Sent: Thursday, May 01, 2014 7:16 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:20717] ASME SEC IX QW202.1
"If any test specimen required by QW-451 fails to meet the applicable acceptance criteria, the test coupon shall be considered as failed"
On Wed, Apr 30, 2014 at 6:57 PM, John Henning <jhenning@deltak.com> wrote:
Attached is a copy of 2013 ScIX QW-202.1. The following is my interpretation of the requirements.
Three conditions are set up in the case of a specimen failure:
1) (2nd paragraph) Failure was caused by something unrelated to the welding conditions. This could be a failure of the grips, a nick in the specimen, an error in machining, power failure during the test, etc. In this case one for one replacement of the specimen from the original PQR coupon or a new test coupon welded with the same parameters/conditions may be made and the additional specimen tested.
2) (4th paragraph) If the failure was caused by a problem that requires a change in essential or supplementary essential variables to correct the problem, then a new PQR test plate must be welded and all tests repeated. Personally, I don't see how the original PQR test(s) would be valid if the essential (or supplementary essential) variables have changed.
3) (5th paragraph) If the failure was caused by a problem related to welding but that requires a change not affecting the original essential or supplementary essential variables, then a new coupon can be welded and the failed test repeated. The changes made to the non-essential variables or other parameters to obtain the acceptable test(s) must be addressed on the WPS. In this case it is one for one replacement.
Typically a failure of a PQR test will be the result of condition 2) above. In my experience, use of condition 3) is rare.
Just my opinion along with a strong belief that a short cut isn't necessarily the quickest route to anywhere. Good luck.
John A. Henning
Welding & Materials
From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of george.dilintas@gr.bureauveritas.com
Sent: Wednesday, April 30, 2014 9:50 AM
To: materials-welding@googlegroups.com
Subject: Re: [MW:20712] ASME SEC IX QW202.1
Sorry dear Meisam
I am not getting your point
best regards
Dr. Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector
I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)
meisam shokri arfaei ---30/04/2014 15:19:24---Dear Dilinates, There is no problem if something added or deleted to the main topic in the
From: meisam shokri arfaei <meisamshokri@gmail.com>
To: materials-welding@googlegroups.com
Date: 30/04/2014 15:19
Subject: Re: [MW:20708] ASME SEC IX QW202.1
Sent by: materials-welding@googlegroups.com
Dear Dilinates,
There is no problem if something added or deleted to the main topic in the next para. in any standard or technical documents and with some new conditions. Those are exactly exceptions.
Regards
On Wed, Apr 30, 2014 at 12:34 PM, <george.dilintas@gr.bureauveritas.com> wrote:
I disagree
Please read carefully: It is written in the 1st paragraph of QW 202.1 "If any test specimen required by QW-451 fails to meet the applicable acceptance criteria, the test coupon shall be considered as failed"
best regards
Dr. Georgios Dilintas
Authorized Nuclear Inspector
Authorized Inspector Supervisor
API 510 Inspector
I&F REGIONAL TECHNICAL MANAGER
BUREAU VERITAS HELLAS
Tel: +30 210 40 63 113/4
Fax: +30 210 40 63 118
Cell: +30 69 44 64 62 04
(See attached file: Dilintas_George.vcf)
meisam shokri arfaei ---29/04/2014 15:53:13---Dear Tulasi, 1 new specimen for 1 failed specimen (but just from the same test coupon).
From: meisam shokri arfaei <meisamshokri@gmail.com>
To: materials-welding@googlegroups.com
Date: 29/04/2014 15:53
Subject: Re: [MW:20695] ASME SEC IX QW202.1
Sent by: materials-welding@googlegroups.com
Dear Tulasi,
1 new specimen for 1 failed specimen (but just from the same test coupon).
Regards
On Tue, Apr 29, 2014 at 10:36 AM, SWI <tulasiramus@gmail.com> wrote:
Thanks for the info,
Please note that QW202.1 also allows for retesting ( after considering all ifs & buts in the code/ QW153) from the same test coupon. Now my question is, if one tensile specimen fails, how many additional test specimens shall be tested.
On Monday, April 28, 2014 2:41:28 PM UTC+3, sina wrote:
Dear friend,
If any specimen fails to meet the requirements, the test coupon consider to be failed and a new test coupon shall prepare. (It could be with the same parameters or changed parameters)
Regards
On Mon, Apr 28, 2014 at 10:46 AM, STR <tulas...@gmail.com> wrote:
Friends,
Good Morning,
With reference to ASME Sec IX:
1. If one tensile specimen failed the requirement of QW153
2. How many additional specimens are to be tested QW202.1
Regards,
Tulasi Ram
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Tel.: +98 21 66282127
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