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:
Post a Comment