Re: [MW:11940] AWS D1.1 Table 4.6 Clause 1-Change in Group No.

Manpreet,

 

Sec IX not in picture .

 

 

On Tue, Jul 26, 2011 at 10:32 AM, manpreet <manpreetsin88@rediffmail.com> wrote:

Hi,

 

Unfortunately you can not use PQR (P1 Gr2 to P1 Gr2) to weld P1 Gr1 to P1 Gr2, find out if you have PQR qualified with P1 Gr1 to P1 Gr2.

 

Intent of code is to have impact test done on both material else look for a material with dual certificate (both Gr1 & Gr2).

 

 

Regards

Manpreet Singh

 

From: "K.Babu" <kbabupsg@gmail.com>

Sent: Tue, 26 Jul 2011 07:53:34

To: materials-welding@googlegroups.com

Subject: [MW:11886] AWS D1.1 Table 4.6 Clause 1-Change in Group No.

Gents,

 

 

WPS is qualified in Group II to Group II, with CVN @-40 deg. cel.,

 

Can we use this WPS , to weld Group II to Group I  combination with requirement of CVN @-20 deg cel.

 

 
Thanks & regards,

K.Babu

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Thanks & regards,

K.Babu
Singapore

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