RE: [MW:10702] qualified thickness range

Yes this is correct but if governing thickness code is  ASME B 31.3. Otherwise  qualification range will be 8 to 16 mm according to ASME 9.

 

Regards,

 

NAJM UL ISLAM

Welding Engineer

Velosi Certification Qatar

+974 6664 5393

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of saji jos
Sent: Sunday, April 17, 2011 10:09 AM
To: materials-welding@googlegroups.com
Cc: raja sekhar; Ali Asghari
Subject: Re: [MW:10696] qualified thickness range

 

With impact test thickness range is t/2 to t+6  means (8/2mm =4mm )   to  (8+6=14mm)

 

Means with Impact test thk range is 4m to 14mm

Without impact test thk range is 4.8mm to 16mm is currect

 

Saji Jos P

AbuDhabi
00971 56 6742779

 

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From: raja sekhar <raj.inspection@gmail.com>
To: materials-welding@googlegroups.com
Sent: Sun, 17 April, 2011 8:01:07 AM
Subject: Re: [MW:10693] qualified thickness range

Yes,

I think you are refring to same supporting PQR only for the both thickness ranges.

 

For E.g, If you have qualified a PQR with a thk of 8 mm with impact test.

 

Your qualification ranges in the WPS will be

 

8 to 16 mm (WIth Impact test)

5 to 16 mm (Without Impact test)

 

You can write both the reading in the WPS.

 

Hope this will clarify.

 

Cheers!

 

Raj

On Thu, Apr 14, 2011 at 7:57 AM, Ali Asghari <asghariali@rocketmail.com> wrote:

Dear all
Is it possible a WPS issued that have two qualified thickness ranges?( one of them supported by a PQR that impact tested and another range with ignorance of the CVN results acc to ASME IX)
Regards.

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