Re: [MW:25208] RE: 25195] PQR Qualification.

Wrong F no is essential for performance qualification

Sent from my BlackBerry 10 smartphone.

From: Kannayeram Gnanapandithan Sent: Σάββατο, 6 Αυγούστου 2016 - 16:20 To: materials-welding Reply To: materials-welding@googlegroups.com Subject: Re: [MW:25207] RE: 25195] PQR Qualification.

F&A nos not essential for welding operators

On 06-Aug-2016 9:57 am, "Lakshman Kumar. B" <lakshmankumar4@gmail.com> wrote:

Hi,

It will not qualify…

As F no & A No are not only the criteria for acceptance…

F&A grouping are majorly for welder / operator qualification and not to consider in PQR.

Need to go for a fresh PQR.

 

Thanks & Regards,

Lakshman Kumar B,

+91 9440031459.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of r.vroom
Sent: Friday, August 05, 2016 8:01 PM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25195] PQR Qualification.

 

All,

 

Please advice me in the following.

ASME IX :2013

Weld coupon base material P8 (ASTM A240 TP 316) to P1 (S333 Gr. 6)

FCAW: Filler metal Bohler CN 23/12 Mo PW-FD (E309LMoT1-4)

 

Does this PQR qualify a weld joint P8 (ASTM A240 TP 304) to P8 (ASTM A240 TP 304)

by changing filler metal into E308LT1-1 for both F No. 6 and A No. 8

 

Follow Table QW 255 Ø P-number qualified article 403.11 -> article 424.1 I should say no, but am I right ????

 

 

Diameter and thickness are in range.

 

Thank you.

 

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