Re: [MW:25849] Welder Qualification as per API 1104

Thanks sir,

                     I appreciate your guidance... my doubt is If he weld the lower thickness with the same parameters then what will be happened...? Is any impacts in mechanical properties? Please explain...!

Thanks and regards,

Krishnasamy. M

Sent from my iPhone

On Dec 27, 2016, at 5:09 PM, joydev dalai <joykolkata07@gmail.com> wrote:

Dear Krishnasamy,

As per API 1104 Thickness range is a essential variable for WQT. Please go through the Cl. No- 6.2.2 ( Scope) Point - e

for your reference  

On Tue, Dec 27, 2016 at 11:31 AM, Krishnasamy Masanam <krishnasamy1968@gmail.com> wrote:

Dear Experts,
Have a nice day to you all... I have doubt about welder qualification thickness range.

One of the welder has been successfully completed his WQT as per API 1104 with the thickness 21.1mm followed by the the 21.1 to 31.935mm thickness range WPS. Is he eligible for below 4.8 to 19.mm (0.188" to 0.750") if he cannot weld the lower thickness, why?

In API 1104, thickness is essential variable

I am expecting a favorable reply... thanks in advance...

Krishnasamy. M

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Best Regards,

Joydev Dalai

Dy. Manager - QA/QC

+91-7260898902

JHPL Project,

Kalpataru Power Transmission ltd.

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