Re: [MW:29929] Welder qualification with process

Dear Kartik sir,

Our client is opposing that; the welder is not qualified for SMAW in 2" NPS.

Regards 

Sangram 

Sent from my iPhone

On 06-Aug-2019, at 7:25 AM, 'Karthik' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Hi,

Yes. He can. 

change in weld metal deposit more than he qualified only is an essential variable. Base metal thickness is not an essential variable for welder qualifications.

(In your case for GTAW, maximum weld metal deposit thickness is restricted to the welder qualified for maximum thickness in 1" pipe)

Thanks& Regards,

 

(Karthik)

Karthikeyan.S

QA/QC Manager

Agon Pacific Co.,Ltd.

M: +66-655-174-397, +66-892-512-282

E-mail : karthik6684@yahoo.com

On Tuesday, August 6, 2019, 11:03:39 AM GMT+7, 'Sangram' via Materials & Welding <materials-welding@googlegroups.com> wrote:

Dear experts

Please give me your valuable feedback with code reference.

A) One welder is qualified with dia 1" & above with GTAW(11mm)

B) Same welder also qualified with 2 7/8 & above with GTAW + SMAW (7.5 mm Gtaw + max to be welded smaw )

My question:

Can this welder welded any 2" joint which thickness is more than 11mm by using GTAW+SMAW process ??

Regards

Sangram

Sent from my iPhone

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