Moisture is problem for defects and it shall be less than 5PPM is always give better result
as u mentioned gas flow rate is too high, pl check again and recommend
On Wed, May 25, 2011 at 6:36 PM, kalyan vvv <vvvkalli@gmail.com> wrote:
Hi mustaffi,It is better to use 99.998% purity of ultra pure argon as a purging & shielding gas.It gives sound quality of welding and better results.In this other components areoxygen -- < 4.00PPMMoisture -- < 4.00PPMTHC -- < 0.5PPMOxygen & moisture percentage is more than 0.4PPM it may leads to corrosion ,contamination & porosity.Maintain gas flow rate between 25 to 40PPM.--THANKS & REGARDSKALYAN VVVWELDING ENGINEERTHYSSEN KRUPP INDUSTRIES (INDIA) LTD
HYDERABADMob.NO- 09885273257
--
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