Re: [MW:11906] AWS D1.1 Table 4.6 Clause 1-Change in Group No.

Dear K Babu,

WPS qualified on group II materials can be use on group I and Group II and its combination if all other variables are constant.
As per the CVN @-40, if the values obtained @-40 met the specification requirement @ -20 then the WPS is qualified as you requested. so you need to check the minimum value required @-20 and if the values obtained @ -40 meet the requirement @-20.

Regards,

Rems Okonkwo

On Sun, Jul 24, 2011 at 2:55 PM, K.Babu <kbabupsg@gmail.com> wrote:

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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