FW: Essential variable as per AWS D 1.1

[Radhakrishnan Venkatraman]

 

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From: r_ven...@hotmail.com
To: material...@googlegroups.com
Subject: Essential variable as per AWS D 1.1
Date: Tue, 24 Feb 2009 16:54:42 +0000

My dept was having one PQR qualified as per AWS D1.1 with double V Groove weld.
When we try to qulify our welders for a specific project,where in the requirement is for single v groove weld.
We have Conducted the test with 16mm plate (Single V preparation)
The third party qualified the welders.Is this ok
 
Because as per AWS D 1.1 groove configuration is an essential variable
 
Is any one clarify this
 
Regards
R.Venkataraman  

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[Muhammed Ibrahim]

Dear Venkit raman,

 

Groove design is essential variable only for procedure qualification. For welders groove design is not an essential variable( please see Table 4.12 & Table 4.1) in AWS D1.1.

 

Regards,

 

Muhammed Ibrahim

2009/2/25 Radhakrishnan Venkatraman <r_ven...@hotmail.com>

[babu k]

Hi,

 

When u qualify a welder through the WPS, you should follow the WPS grrove design as per D1.1(See 4.18.3) ;

 

otherwise follow the configuration given in D1.1  ;

 

Thanks;

 

K.Babu

 

Welding Engineer

 

Singapore