Friday, July 16, 2010

Re: [MW:5992] Problem wk\hile root run

Check your fillerwire grade if GTAW if ok then chek its chemistry.
I think this problem is with your filler wire.
 
 
 
 
PANKAJ

On Wed, Jul 14, 2010 at 6:27 PM, waman nilesh <wamannp@gmail.com> wrote:
I have problem while doing root run the weld get black from backside as we have maintain the backing 10 lpm & Shielding 12 lpm as per WPS. 
Can anybody tell me the reason & how to avid it.

Nilesh 

--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.

--
To post to this group, send email to materials-welding@googlegroups.com
To unsubscribe from this group, send email to materials-welding-unsubscribe@googlegroups.com
For more options, visit this group's bolg at http://materials-welding.blogspot.com/
The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.

No comments:

Re: [MW:34832] Inquiry about Single Bevel with Back Grinding

Dear Uday, As per your question that one is called with backing only,Simple both side you are welding it is backing with strip or without st...