Friday, July 17, 2015

[MW:23171] Impurities on weld-GTAW

Dear Experts,

 

Kindly refer the attached job of eco coil of Boiler in tube to tube joint welding application.

During GTAW welding with ER70S-2 grade filler wire we have noticed liquid type impurities on weld bead.

Why such type of defects are coming?

Is it product defect or welding process defect?

Please support & share your views to move in right direction.

 

Thanks & Best regards

PT

 

 

 

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