Api 1104 Coupon SIze for Welder Qualification Test

[George Morris]

Kindly specify the pipe size of the specimen to be used for the welder qualification test

[LALU RAJENDRAN]

Dear George, 

The size of the specimen depends on the WPS in which the WQT is to be performed. For welders if you want to qualify them for  unlimited thickness, please use a test coupon of 13 mm thickness or above for a single process. Please look at QW-452.1(b)

Thanks & Regards 

LALU R.P

On Tue, Sep 17, 2013 at 12:48 PM, George Morris <georgem...@gmail.com> wrote:

Kindly specify the pipe size of the specimen to be used for the welder qualification test

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[Ali Samdani]

Dear George,

As per API 1104 Coupon size for welder qualification, please follow API Std 1104 article 6.2.2. Please check, there are three groups for diameter and wall thickness. from there you can select coupon size as per your requirement.

Regards,

Ali Samdani

[george....@gr.bureauveritas.com]

With a minimum of 3 layers.....

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Dr. Georgios Dilintas

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LALU RAJENDRAN ---18/09/2013 08:03:01---Dear George, The size of the specimen depends on the WPS in which the WQT is to be

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