Re: [MW:9499] Purging Gas for Fillet Weld

Dear Yoga,

for GTAW welds, an internal 100% argon shall be used for the root pass and second layer (i.e. Hot Pass) of Stainless Steel Welds.

Regards
Manpreet Singh



On Wed, 26 Jan 2011 21:29:54 +0530 yoga nandhan wrote
>

>

Can anyone please clarify,  for Fillet weld to be carried outin a S.S Pipe (4.5mm wall thickness) to support joint with GTAW Process. Is itrequired to give Purging Gas in pipe.  (as per Clause 7.5 of API582. (attached)).

 

Pipe Material: SA312 TP316/316L

Support Material: SA240TP316/316L

 

Thickness: 4.5 mm Max.

 

Thanks in advance.

>

Best Regards,

YoganandhanPalaniappan

 

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