change the purging to 6-8 ltr.
-- reduce the root gap
Thanks & Regards
Muhammed Ibrahim PK
Muhammed Ibrahim PK
On 15 July 2010 10:27, 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--
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